The HP Omen 27″ FHD 165Hz Gaming Monitor delivers smooth, sharp visuals for gaming and everyday use. Its Full HD resolution (1920×1080) shows crisp details in games, videos, and work tasks. The 27-inch screen provides ample space for immersive gameplay or multitasking. This helps you stay focused and engaged. Moreover, the HP Omen 27″ FHD 165Hz Gaming Monitor features a fast 165 Hz refresh rate. This high refresh rate makes motion look fluid and clean on screen. Fast-paced games and action scenes appear smoother and more responsive. This reduces blur and improves reaction time during gameplay. In addition, the monitor offers a 1 ms gray-to-gray response time (with overdrive). This helps reduce ghosting and keeps fast movements clear and sharp. Your controls feel more responsive, which is ideal for competitive games. The monitor also supports adaptive sync technology to cut screen tearing and stutter. Furthermore, the HP Omen 27″ FHD 165Hz Gaming Monitor uses an IPS panel that gives wide viewing angles and good color accuracy. Colors stay consistent even when viewed from sides. This helps when you are reading, editing, or sharing your screen with others. Also, the monitor includes eye-comfort features to ease long sessions. A low-blue-light mode helps reduce eye strain during extended gaming or work hours. The anti-glare screen surface helps in bright rooms too. The design of the HP Omen 27″ FHD 165Hz Gaming Monitor is modern and clean with thin bezels. It fits well on desks of different sizes. The stand is adjustable for comfortable viewing angles, and the build feels sturdy and stable. Overall, the HP Omen 27″ FHD 165Hz Gaming Monitor combines speed, clarity, and comfort. It enhances both gaming performance and daily computing tasks. This monitor is ideal for gamers and users wanting a balanced, responsive, and reliable display. Specifications: Display : 27″ IPS Resolution : 1920×1080 Refresh Rate : 165Hz Response Time : 1ms
The ViewSonic VA2710-mh 27″ 60Hz Monitor brings stunning visuals to your desk. With its 27-inch Full HD display, you can enjoy vibrant colors and sharp details, perfect for work, entertainment, or gaming. This monitor features a sleek and modern design, making it a stylish addition to any workspace. The slim bezels provide a clean and uncluttered look, enhancing your viewing experience. The ViewSonic VA2710-mh offers versatile connectivity options, including HDMI and VGA inputs. This makes it easy to connect your computer, laptop, or gaming console, ensuring compatibility with various devices. With a 60Hz refresh rate, the ViewSonic VA2710-mh delivers smooth and fluid visuals. Whether you’re watching movies, playing games, or working on graphic design, you’ll appreciate the clarity and responsiveness of this monitor. The SuperClear IPS panel technology provides consistent brightness and accurate colors from any viewing angle. This means you can enjoy the same high-quality visuals, whether you’re sitting directly in front of the screen or off to the side. The ViewSonic VA2710-mh is designed for comfort and productivity. It features flicker-free technology and a Blue Light Filter, reducing eye strain during extended viewing sessions. This makes it an ideal choice for those who spend long hours in front of their screens. In conclusion, the ViewSonic VA2710-mh 27″ 60Hz Monitor combines stunning visuals, versatile connectivity, and a sleek design for an exceptional viewing experience. Upgrade your setup today and enjoy vibrant and clear visuals with the ViewSonic VA2710-mh monitor. Specifications: Display : 27″ IPS Resolution : FHS 1920×1080 Refresh Rate : 60Hz Response Rate : 5ms
The 45W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Air stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. The 45W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Air stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. When the connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. This power adapter recharges the lithium polymer battery while the system is off, on, or in sleep mode. It also powers the system if you choose to operate without a battery. Compatible only with MacBook Air featuring MagSafe 2 power port. Knowing which specific Mac model you have is important. If you are running OS X Lion (10.7) or later go to the “” menu at the top left of your screen, choose “About this Mac” then click the “More Info…” button. Your Mac model and generation will be displayed. If you are running an earlier version of OS X, you can enter your serial number here to find out which model you have. Mac Models MacBook Air (13-inch, Early 2015 – 2017) MacBook Air (11-inch, Early 2015)
The MSI Pro MP272 E14C is a 27‑inch FHD monitor built for business and productivity. It delivers clear Full HD visuals with a fast 144 Hz refresh rate. Furthermore, its IPS panel provides wide viewing angles and accurate colors, making work and multimedia more enjoyable. It supports a 1 ms (MPRT) response time, which reduces motion blur in videos and fast‑moving content. In addition, Adaptive‑Sync technology helps smooth gameplay and reduce screen tearing. The monitor also includes HDR Ready support for improved contrast and detail. Moreover, the design features a four‑side slim bezel for a clean look and immersive viewing experience. It offers anti‑glare treatment and built‑in speakers for convenient multimedia use. As a result, the MSI Pro MP272 E14C enhances productivity and comfort whether you work, create, or play. . Specifications: 27‑inch FHD (1920 × 1080) IPS panel with wide viewing angles 144 Hz refresh rate with 1 ms (MPRT) response time Adaptive‑Sync support and HDR Ready for smooth visuals HDMI 2.0 and USB‑C (DP Alt Mode with 15 W PD) connectivity Built‑in speakers, anti‑glare surface, and slim bezel design
The HUAWEI IdeaHub Board 2 IHB2-65SU is a 65-inch intelligent collaboration display designed for meetings, classrooms, and hybrid work environments. It combines a 4K UHD interactive touchscreen with built-in collaboration tools for writing, presenting, and video communication. Additionally, it supports smooth interaction for real-time teamwork. Moreover, it features a 65-inch 4K (3840 × 2160) infrared multi-touch screen with up to 20 touch points. Therefore, users can write and interact accurately during meetings and lessons. Furthermore, Huawei designs it with ultra-low writing latency of around 16–25 ms. So, writing feels natural and responsive like a real whiteboard. It also includes anti-glare and zero-gap bonding for clearer visuals. In addition, it integrates a 4K display system with built-in speakers and microphone support. Therefore, it improves audio-visual communication for hybrid meetings and presentations. It also supports dual Wi-Fi and wireless projection from multiple devices. Also, it runs on Android-based system support with optional Windows OPS integration. So, it fits different enterprise IT environments and meeting setups. Overall, the Huawei IdeaHub Board 2 IHB2-65SU delivers interactive 4K collaboration, smooth writing performance, and flexible connectivity for modern workplaces and education spaces. Specifications: 65-inch 4K UHD infrared touch display Up to 20-point multi-touch support Ultra-low writing latency (~16–25 ms) Built-in speakers and conferencing support Wireless projection with dual Wi-Fi connectivity
The Samsung 65″ Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW delivers a premium viewing experience with advanced Neo QLED technology. It produces bright, sharp, and highly detailed images with strong contrast, so movies, sports, and games look clear and immersive on the 65-inch screen. Neo QLED technology uses Quantum Mini LEDs to improve brightness control and contrast accuracy. As a result, dark scenes appear deeper while bright scenes stay vivid and balanced. This creates a more realistic picture across different types of content. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color. Therefore, the TV consistently delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands brightness range and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action viewing. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly when switching between apps. In addition, the slim design with thin bezels gives the Samsung 65 Neo QLED QN70F 4K Vision AI Smart TV QA65QN70FAUXTW a modern and premium appearance. Overall, this Samsung Neo QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful entertainment experience. Specifications: Neo QLED technology delivers bright, sharp, and detailed visuals 65-inch 4K display provides immersive viewing experience Vision AI enhances picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
Experience flagship performance with this pre-owned ThinkPad E14 Gen 2. Driven by an 11th Gen Intel Core i7 processor, 16GB RAM, and a 512GB NVMe SSD, this 14-inch laptop delivers high-speed responsiveness and modern features like Thunderbolt 4 for the ultimate professional setup.
WiWU Minimalist Laptop Handbag – Lightweight, water-resistant bag with soft interior padding, shock protection, and dual compartments.Available in 14″ and 15.6″ sizes, perfect for secure and stylish daily laptop carry. Model: WiWU Minimalist Laptop Handbag Material: Water-resistant polyester exterior with a soft faux-fur padded interior Available Sizes: 14″ and 15.6″ versions to accommodate most laptops Protection: Built-in anti-collision padding and 360° all-around corner protection Compartments: Main laptop compartment (soft-lined) Front organizer section with inner pockets for cables, chargers, phone, and accessories Compartments: Main laptop compartment (soft-lined) Front organizer section with inner pockets for cables, chargers, phone, and accessories Carrying Options: Top handles for hand carry Detachable shoulder strap Luggage strap for trolley attachment Carrying Options: Top handles for hand carry Detachable shoulder strap Luggage strap for trolley attachment Design Features: Durable YKK zippers, reinforced corners, slim profile Weight: Approx. 703 g (14″), 884 g (15.6″) Use Case: Ideal for work, study, travel, and everyday protection of devices
The HP V28 4K Monitor delivers sharp and vivid visuals for work and entertainment.It features a 28-inch 4K UHD display that shows lifelike detail and rich color.Moreover, the slim design fits well on desks at home and in office setups. This monitor uses an advanced panel for wide viewing angles and consistent color from different positions.Additionally, the 4K resolution brings out clear text and crisp images for videos and photos.Anti-glare coating helps reduce reflections in bright lighting. The HP V28 4K also includes HDMI and DisplayPort inputs for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle.Low blue light and flicker-free features help reduce eye strain during long use. This display suits professionals, content creators, and home users alike.Therefore, it supports productivity, creative work, and media streaming.Finally, it combines high picture quality, versatile connections, and comfort features for everyday use. Specifications: 28″ 4K UHD (3840 × 2160) panel HDMI + DisplayPort ports for flexible connection Anti-glare coating for comfortable viewing Tilt-adjustable stand for ergonomic use Wide viewing angles for consistent color
The MSI G27CQ4 E2 27″ 170Hz gaming monitor offers stunning visuals and smooth gameplay, ensuring you have the best gaming experience possible. Firstly, the MSI G27CQ4 E2 boasts a 27-inch curved display. This size and curvature provide an immersive viewing experience, allowing you to fully engage in your favorite games. The 2560×1440 resolution ensures crisp and clear visuals, making every detail come to life. Additionally, this monitor features a 170Hz refresh rate. With such a high refresh rate, you can enjoy fluid motion without any lag. This is crucial for fast-paced games where every millisecond counts. Paired with a 1ms response time, the MSI G27CQ4 E2 ensures quick and accurate responses to your inputs. Moreover, the monitor supports AMD FreeSync technology. This helps eliminate screen tearing and stuttering, providing a seamless gaming experience. You can game for hours without worrying about visual disruptions. The MSI G27CQ4 E2 also comes with multiple connectivity options. It includes HDMI and DisplayPort inputs, allowing you to connect to various devices. This versatility ensures that you can easily set up your gaming station. In terms of design, the MSI G27CQ4 is sleek and modern. Its slim bezels and stylish stand add a touch of elegance to your gaming setup. The adjustable stand also allows you to find the perfect viewing angle for maximum comfort. In conclusion, the MSI G27CQ4 E2 27″ 170Hz gaming monitor is the ideal choice for gamers seeking top-tier performance. Its combination of stunning visuals, smooth gameplay, and versatile features make it a must-have. Upgrade your gaming experience with the MSI G27CQ4 today! Specifications: Display : 27″ VA Resolution : 2560 x 1440 (WQHD) Refresh Rate : 170Hz Response Rate : 1ms Curvature : 1500R
Are you in search of a reliable monitor that combines functionality and style? Look no further than the LG DualUp 28″ Monitor. This comprehensive review will delve into its features, highlighting why it’s an excellent choice for both work and play. Firstly, the dual-screen capabilities of the LG 28″ Monitor provide a seamless multitasking experience. Boost your productivity by effortlessly managing multiple applications side by side, streamlining your workflow. The sleek design of this monitor not only adds a touch of sophistication to your workspace but also ensures practicality. Its slim bezels and adjustable stand contribute to a clutter-free and ergonomic setup, promoting comfort during extended use. With a crisp 4K UHD resolution, this monitor delivers stunning visuals, making it ideal for both work and entertainment. Enjoy sharp images and vibrant colors for a truly immersive experience, whether you’re editing documents or watching your favorite movies. Connectivity is a breeze with the LG 28″ Monitor. Multiple ports, including HDMI and USB-C, offer versatile options for connecting various devices. Say goodbye to cable clutter and hello to a streamlined and organized workspace. The inclusion of reader mode and flicker-safe technology prioritizes your eye health during prolonged use. Reduce eye strain and fatigue, ensuring a comfortable viewing experience for extended periods. In conclusion, the LG DualUp 28″ Monitor is a versatile and stylish addition to any workspace. Its dual-screen capabilities, sleek design, and advanced features make it a top choice for those seeking an enhanced computing experience. Upgrade your setup with the LG DualUp 28″ Monitor today! Specifications: Display : 28″ Nano IPS Resolution : SDQHD (2560 x 2880) Refresh Rate : 60hz Response Time : 5ms GTG
The Samsung 34″ Odyssey G55T Curved Gaming Monitor LC34G55TWWMXZN features a 34-inch VA panel with Ultra WQHD resolution (3440 × 1440) and a 21:9 aspect ratio. The ultrawide format provides additional screen space for gaming, multitasking, and content creation. The monitor uses a 1000R curved display designed to match the natural field of view. As a result, the screen wraps more closely around the user compared to traditional flat monitors. In addition, the VA panel delivers a typical 2500:1 contrast ratio for deeper blacks and improved shadow detail. The display supports a maximum refresh rate of 165Hz and a 1ms MPRT response time. Therefore, motion appears smoother during fast-paced gaming. AMD FreeSync Premium support also helps reduce screen tearing and stuttering when paired with compatible graphics hardware. HDR10 support allows compatible content to display a wider brightness range. Also, gaming features such as Black Equalizer, Low Input Lag Mode, and Refresh Rate Optimizer provide additional control over image settings. Connectivity includes one DisplayPort 1.4, one HDMI 2.0 port, and a headphone output. The monitor also supports Picture-by-Picture mode, Eye Saver Mode, and Flicker Free technology. This model focuses on ultrawide gaming performance with a high refresh rate, aggressive 1000R curvature, and Ultra WQHD resolution. Community feedback often highlights the immersive curve and gaming experience, while some users note that the curvature is more aggressive than typical curved monitors. manufacturer link Specifications: 34-inch VA panel with Ultra WQHD (3440 × 1440) resolution 165Hz refresh rate and 1ms MPRT response time 1000R curved display with 21:9 aspect ratio AMD FreeSync Premium support DisplayPort 1.4 and HDMI 2.0 connectivity options
Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A1502, Mid 2014)—restores full trackpad functionality, including precise cursor control and physical click response. Essential for repairing unresponsive or erratic trackpad behavior. Compatible With: MacBook Pro 13-inch (Mid 2014, Model A1502, Model Identifier MacBookPro11,1) with Intel Core i5/i7 processors and Retina display. Part Type: Touchpad flex cable only — does not include the trackpad housing, button mechanism, or mounting hardware. This is the ribbon cable that connects the trackpad to the logic board. Function: Transmits cursor movement and click signals (left/right physical clicks) Supports standard multi-touch gestures (two-finger scroll, tap-to-click, pinch-to-zoom) ⚠️ Note: This model uses a physical click mechanism—not Force Touch (no haptic feedback or pressure sensitivity). Transmits cursor movement and click signals (left/right physical clicks) Supports standard multi-touch gestures (two-finger scroll, tap-to-click, pinch-to-zoom) ⚠️ Note: This model uses a physical click mechanism—not Force Touch (no haptic feedback or pressure sensitivity). OEM-Quality Build: Matches Apple’s original in: Cable length and routing path Connector type and pin alignment Insulation and flexibility for long-term reliability Cable length and routing path Connector type and pin alignment Insulation and flexibility for long-term reliability Common Use Cases: Replacing a torn, frayed, or corroded original flex cable Fixing: Unresponsive or intermittent trackpad Cursor jumping or drifting Click function failure (left or right) Complete trackpad disconnect Replacing a torn, frayed, or corroded original flex cable Fixing: Unresponsive or intermittent trackpad Cursor jumping or drifting Click function failure (left or right) Complete trackpad disconnect Unresponsive or intermittent trackpad Cursor jumping or drifting Click function failure (left or right) Complete trackpad disconnect Installation Note: Requires bottom case removal and battery disconnect. Connects via a ZIF (Zero Insertion Force) socket on the logic board—do not force. Cable routes under the battery; handle with care to avoid strain. Suitable for intermediate to advanced DIYers or technicians. Requires bottom case removal and battery disconnect. Connects via a ZIF (Zero Insertion Force) socket on the logic board—do not force. Cable routes under the battery; handle with care to avoid strain. Suitable for intermediate to advanced DIYers or technicians.
Used OEM Original Apple Logic Board Working, 2018 Model 2.7Ghz I7 251gb 16gb (A1989) + Original Touch ID, Tested using latest industry hardware diagnostic software, Fresh pull from fully Working nearly new unit. SPECIFICATION:
Logic Board 1.6GHz Core i5 (i5-5250U), 8GB RAM Replacement for (Early 2015-2017)
Original Apple - 87W USB-C Power Adapter - White | MNF82LL/A | A1719 Original Apple – 87W USB-C Power Adapter – White | MNF82LL/A | A1719 The Apple 87W USB-C Power Adapter (Model A1719) is designed to provide fast and efficient charging for a variety of Apple devices. Key Features: High Power Output: Delivers up to 87 watts of power, suitable for charging larger devices like the 15-inch MacBook Pro. Versatile Charging: Supports multiple output voltages—20.2V at 4.3A, 9V at 3A, and 5.2V at 2.4A—allowing it to charge a range of USB-C–enabled devices. chargerlab.com Versatile Charging: Supports multiple output voltages—20.2V at 4.3A, 9V at 3A, and 5.2V at 2.4A—allowing it to charge a range of USB-C–enabled devices. Compact Design: Its sleek and portable build makes it convenient for use at home, in the office, or while traveling. Compatibility: While this adapter is compatible with any USB-C–enabled device, Apple recommends pairing it with the 15-inch MacBook Pro with Thunderbolt 3 (USB-C) ports for optimal charging performance.
The LG UltraGear 27GS50F-B 24″ Gaming Monitor brings fast performance and vivid visuals to your gaming setup. It is designed to deliver smooth and responsive gameplay, making every moment feel more intense and immersive. Moreover, its 24-inch screen size is ideal for competitive gaming while fitting comfortably on most desks. This monitor offers vibrant colors and sharp detail, which enhances your experience whether you are gaming, watching movies, or working. Additionally, the fast refresh rate and quick response time help reduce motion blur so you can enjoy fluid action without distractions. The sleek and modern design fits well into any gaming or home office environment. The LG UltraGear 27GS50F-B also includes multiple connectivity options, making it easy to connect your PC, console, or other devices. Furthermore, ergonomic adjustments allow you to tilt the screen for a comfortable viewing position during long sessions. Therefore, it is perfect for casual and competitive gamers alike. Finally, it combines responsive performance, clear visuals, and user-friendly design for everyday use. Specifications: 24-inch gaming monitor Fast refresh rate for smooth gameplay Crisp visuals with vibrant colors Multiple connectivity options Sleek and ergonomic design
LED feature Specification Display size 60.5 cm (23.8 in) diagonal Display type IPS with LED backlight Panel active area 52.7 x 29.6 cm (20.7 x 11.7 in) Scan range Horizontal: 30 to 80 KHz Vertical: 50 to 60 Hz Brightness 250 nits Color support Up to 16.7 million colors with the use of FRC technology Color gamut 72% Pixel pitch 0.2745 (H) mm x 0.2745 (V) mm 93 PPI Inputs 1 VGA 1 HDMI Audio in/Audio out HDCP support Viewing angle Horizontal viewing angle (typical): 178 degrees Vertical viewing angle (typical): 178 degrees Recommended resolution (H x V) 1920 x 1080 @ 60 Hz (Full HD) Aspect ratio 16:9 Static contrast ratio 1000:1 Dynamic contrast ratio 10,000,000:1 Response time 6 ms GtG w/OD 14 ms GtG (typ) / 28 ms GtG (Max) Power supply External Power consumption 30 Watts max Tilt -5 to +25 degrees Dimensions W x D x H (unpacked): 54.1 x 18.3 x 40.9 cm (21.3 x 7.2 x 16.1 in) Weight Unpacked: 3.1 Kg (6.8 lbs) Specifications: HP Monitor 24ea 23.8-inch IPS Display Display size 60.5 cm (23.8 in) diagonal Display type IPS with LED backlight Panel active area 52.7 x 29.6 cm (20.7 x 11.7 in)
Genuine-spec US layout keyboard replacement for MacBook Pro 15″ (2018–2019, Models A1989/A1990)—designed for reliable typing, full compatibility, and seamless integration with original top case assemblies. Compatible With: MacBook Pro 15-inch (2018 A1989 and 2019 A1990 models) with Touch Bar. Layout: Standard US English (QWERTY) with full-size keys, including inverted-T arrow keys and dedicated function row. Integrated Features: Includes built-in backlighting, scissor-switch mechanism (3rd-gen Butterfly or revised Butterfly mechanism, depending on original model year), and ribbon cable connector matching Apple’s OEM design. Functionality: Supports all native keyboard features, including brightness, volume, media controls, and Touch ID power button (note: Touch ID sensor is not included—this is the keyboard only). Build Quality: Precision-engineered to match Apple’s original fit, feel, and durability—ideal for professional repairs or top case refurbishment. Installation Note: Requires full top case disassembly. Keyboard is adhered to the top case and must be carefully removed and replaced using proper tools and techniques. Recommended for experienced technicians. Model Verification: Ensure your MacBook is A1989 (2018) or A1990 (2019) before purchase—keycaps and connectors differ from other MacBook generations.
The Philips 242V8 24″ 75Hz Monitor is a great choice for home and office use. It delivers clear visuals and smooth performance. With its Full HD resolution, you can enjoy sharp and detailed images. This 24-inch monitor features a 75Hz refresh rate for fluid motion. It reduces screen tearing and stuttering, making it ideal for everyday tasks and casual gaming. The fast response time ensures smooth transitions between frames. The Philips 242V8 24″ 75Hz Monitor uses SmartContrast technology for deep blacks and bright whites. It enhances image quality, making videos and images look better. The IPS panel provides wide viewing angles with consistent colors. With Flicker-Free technology, this 75Hz monitor reduces eye strain. It also includes LowBlue Mode to minimize harmful blue light. This makes it comfortable for long hours of use. Connectivity is simple with HDMI and VGA ports. You can easily connect it to your PC, laptop, or gaming console. The setup is quick and hassle-free. The Philips 242V8 24″ 75Hz Monitor has a slim and modern design. It fits well in any workspace, whether at home or in the office. The adjustable tilt stand provides a comfortable viewing experience. This Full HD monitor is energy-efficient, helping you save on power consumption. It meets eco-friendly standards while delivering high performance. In conclusion, the Philips 242V8 24″ 75Hz Monitor is a reliable and affordable display. It offers smooth visuals, eye comfort, and a sleek design, making it a perfect choice for work and entertainment. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 75Hz Response Rate : 4ms Speaker : 2W x2
