Brand Crucial Computer Memory Size 8 GB RAM Memory Technology DDR4 Memory Speed 2666 MHz Compatible Devices Laptop, PC Improve your system's responsiveness, run apps faster and multitask with ease Install with ease; no computer skills required How-to guides available at Crucial Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 260-pin, PC Speed = PC4-21300, Voltage = 1.2V, Rank and Configuration = 1Rx16, 1Rx8 or 2Rx8 Brand Crucial Computer Memory Size 8 GB RAM Memory Technology DDR4 Memory Speed 2666 MHz Compatible Devices Laptop, PC Improve your system’s responsiveness, run apps faster and multitask with ease Install with ease; no computer skills required How-to guides available at Crucial Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 260-pin, PC Speed = PC4-21300, Voltage = 1.2V, Rank and Configuration = 1Rx16, 1Rx8 or 2Rx8
TE03XL Battery TE03061XL for HP Omen 15-ax000:15-ax033dx 15-ax210nr 15-ax001ns;HP Pavilion 15-bc000:15-bc008tx and More 849910-850 849570-541 542 543 HSTNN-UB7A TPN-Q173-11.55V 61.6Wh 3-Cell About this item Specifications: – Battery type: Li-ion || Voltage: 11.55VV|| Capacity: 61.6Wh || Cells: 3-cell Compatible Models: – HP Omen 15-ax000:(15-ax000~15-ax099);HP Pavilion 15-BC000 Series (15-bc000~099;15-bc300~399) Replacement Part Number: – HP TE03XL HSTNN-UB7A TPN-Q173 TE03061XL 849910-850 849570-541 849570-542 849570-543 3ICP7/65/80Replacment Part Number: – HP TE03XL HSTNN-UB7A TPN-Q173 TE03061XL 849910-850 849570-541 849570-542 849570-543 3ICP7/65/80 Easy Installation: The replacement process is straightforward and provides our tools.
SanDisk Ultra Dual Drive Luxe – SDDDC4 – Premium 2-in-1 all-metal flash drive featuring both USB Type-C and Type-A connectors. Effortlessly move files between your USB Type-C smartphone, tablets, and Macs, and USB Type-A computers with high-speed USB 3.1 Gen 1 performance. ✅ Full Specifications: Model: SanDisk Ultra Dual Drive Luxe USB Type-C (SDDDC4) Interface: USB 3.1 Gen 1 (Dual connectors: USB Type-C and USB Type-A) Read Speed: Up to 150MB/s Capacity Options: 128GB Material: Elegant and durable all-metal swivel casing Design: 2-in-1 swivel design to protect connectors and includes a keyring hole for portability Security/Software: SanDisk Memory Zone app for automatic photo backup (available on Google Play) Compatibility: Windows, macOS, and USB Type-C enabled smartphones/tablets Dimensions: Approx. 44.41 x 12.10 x 8.60 mm Weight: Approx. 17.2 grams
The ViewSonic VA2763-H 27″ FHD 100Hz Monitor delivers clear images with strong detail. Its Full HD resolution makes movies, games, and work look sharp. The large 27-inch screen gives you more space to enjoy your content. This helps you stay productive and focused. Moreover, the ViewSonic VA2763-H 27″ FHD 100Hz Monitor features a smooth 100Hz refresh rate. Motion looks cleaner and faster on the screen. This makes gaming and scrolling feel more responsive. It also reduces blur during fast scenes. In addition, the monitor uses an advanced panel for rich colors. The colors remain accurate from different viewing angles. This makes photos, videos, and documents look consistent. It is great for students, creators, and office users. Furthermore, the ViewSonic VA2763-H 27″ FHD 100Hz Monitor includes eye-care features for long hours of use. Flicker-Free technology protects your eyes from strain. The blue light filter adds extra comfort during work or study. This helps you stay relaxed throughout the day. Also, the monitor has HDMI and VGA ports for simple connection. You can connect laptops, desktops, and gaming consoles easily. The setup process is fast and user-friendly. This makes the monitor suitable for home and office spaces. The design of the ViewSonic VA2763-H 27″ FHD 100Hz Monitor looks clean and modern. The slim frame gives your workspace a sleek look. It fits well on desks of all sizes. The build quality is strong and durable. Overall, the ViewSonic VA2763-H 27″ FHD 100Hz Monitor offers smooth performance, clear visuals, and eye-care comfort. It improves your work, study, and gaming experience. This monitor is ideal for anyone who wants quality and simplicity. Specifications: Display : 27″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 1ms
The Riotouch 86″ Interactive Panel is designed to transform educational and professional environments with its cutting-edge features and user-friendly interface. This interactive flat panel offers a seamless blend of performance, connectivity, and intuitive design, making it an ideal choice for classrooms and conference rooms. Featuring a 86-inch 4K UHD display (3840 x 2160 resolution), the panel delivers crisp visuals and vibrant colors. Its 4mm anti-glare tempered glass ensures clear visibility from any angle, reducing eye strain during prolonged use. The panel supports up to 40-point multi-touch and 20-point multi-writing capabilities, allowing multiple users to interact simultaneously. This feature fosters collaborative learning and dynamic presentations, enhancing engagement and productivity. Powered by a quad-core Cortex-A55 processor and equipped with 4GB RAM and 32GB storage, the Riotouch panel ensures smooth performance. Its dual operating system support (Android and Windows) provides versatility, accommodating various software applications and user preferences. Connectivity is robust, with multiple ports including HDMI, USB 3.0, USB-C, VGA, and RJ45, facilitating easy integration with other devices. Built-in Wi-Fi and Bluetooth capabilities enable wireless connections, promoting a clutter-free workspace. The panel comes with integrated 2x15W front-facing speakers, delivering clear audio for multimedia presentations. Additionally, it includes a built-in 13MP 4K camera and microphone, supporting high-quality video conferencing and remote collaboration. Designed with user convenience in mind, the Riotouch panel features intuitive front controls for power, volume, and input selection. Its slim aluminum frame and wall-mountable design ensure it fits seamlessly into any environment. In summary, the Riotouch 86″ Interactive Panel combines high-resolution display, multi-touch interactivity, and versatile connectivity, making it a comprehensive solution for modern collaborative spaces. Specifications: Display : 86″ 4K UHD Touch Memory : 4GB Storage : 32GB OS : Android 11
The Lenovo L29w-30 is a 29-inch QHD business monitor designed for productivity and multitasking. First, its 2560 × 1080 resolution delivers sharp and clear visuals for spreadsheets, documents, and presentations. The ultra-wide 21:9 aspect ratio allows seamless multitasking across multiple windows. In addition, the monitor features a slim bezel design for a clean, professional workspace. Moreover, anti-glare technology reduces eye strain during extended use. The adjustable stand provides tilt and height options for comfortable viewing. Furthermore, multiple connectivity options, including HDMI and DisplayPort, ensure easy integration with laptops and desktops. Finally, the Lenovo L29w-30 combines wide-screen clarity, ergonomic adjustments, and flexible connectivity in one business monitor. Overall, it is ideal for office environments, remote work, and professional setups. Specifications: 29″ 2560 × 1080 QHD resolution Ultra-wide 21:9 aspect ratio Adjustable tilt and height stand Anti-glare display for reduced eye strain HDMI and DisplayPort connectivity
LG UHD 4K 27″ Standing screen display size 27 Inches Screen Resolution 3840 x 2160 Max Screen Resolution 3840 x 2160 Pixels Brand LG Series 27UL500-W Item model number 27UL500-W Item Weight 11.2 pounds Product Dimensions 8.2 x 24.5 x 18.1 inches Item Dimensions LxWxH 8.2 x 24.5 x 18.1 inches Color White Power Source AC Manufacturer LG Language English ASIN B07PGL2WVS Country of Origin China Date First Available March 1, 2019 MONITOR RESOLUTION: 3840×2160 SIZE: 27″ MONITOR REFRESH RATE: 60Hz SYNC: Free-Sync CONNECTOR TYPE: HDMI CONNECTOR TYPE: DisplayPort LG UHD 4K 27″ n-Plane Switching (IPS) Panel. HDMI | DisplayPort Inputs. 3840 x 2160 4K UHD Resolution. 1000:1 Static Contrast Ratio. 300 cd/m² Brightness. 178°/178° Viewing Angles. 5 ms Response Time (GtG) 1.07 Billion Colors. Brand LG Screen Size 27 inch Resolution 3840 x 2160 pixels Display Technology IPS Screen Surface Matte Refresh Rate 60 Hz Response Time 5 ms Viewing Angle 178° Brightness 300 cd/m2 Contrast Ratio 1000:1 Connectivity HDMIDisplay Port Device Dimensions (WxHxD) 24.5 x 18.1 x 8.2 inch Features FreesyncHeadphone OutVesa Mountable Weight 11.3 pounds This IPS computer monitor helps keep colors consistent at a wide viewing angle while reproducing 98 percent coverage of the sRGB color spectrum. Color Calibration helps maintain accurate color on the screen and prevents gradual changes. For More Information Click Here For More LG Monitors Click Here Specifications: LG UHD 4K 27″ Standing screen display size 27 Inches Screen Resolution 3840 x 2160 Max Screen Resolution 3840 x 2160 Pixels Brand LG Series 27UL500-W Item model number 27UL500-W 1 Year Warranty Manufacturer link
The Darkflash G24E 24″ 75Hz FHD Monitor offers an immersive viewing experience with its stunning 24-inch display. Whether you’re gaming, working, or watching movies, this monitor delivers vibrant and clear visuals. With its Full HD resolution, the Darkflash G24E ensures sharp and detailed images, bringing your content to life. The 75Hz refresh rate provides smoother motion and reduces screen tearing, enhancing your overall viewing experience. Setting up the Darkflash G24E 24″ Monitor is simple and hassle-free. It comes with multiple connectivity options, including HDMI and VGA ports, allowing you to connect to various devices effortlessly. Experience fast response times with the Darkflash G24E, which reduces lag and ghosting during fast-paced games or action-packed movies. This monitor is perfect for gamers who demand quick and precise visuals. The sleek and modern design of the Darkflash G24E 24″ 75Hz FHD Monitor complements any workspace or gaming setup. Its slim bezels provide a more immersive experience and allow for seamless multi-monitor setups. Eye strain is minimized with the Darkflash G24E’s flicker-free technology and blue light filter, making it comfortable for extended use. Enjoy your screen time without worrying about eye fatigue. In conclusion, the Darkflash G24E 24″ 75Hz FHD Monitor combines impressive visuals, fast response times, and ergonomic design. Upgrade your monitor today for an enhanced and comfortable viewing experience. Enjoy smooth gameplay, vivid colors, and reduced eye strain with the Darkflash G24E. Specifications: Display : 23.8″ FHD LED Refresh Rate : 75Hz
The ViewSonic VX2758A-2K-PRO-3 27″ 2K 240Hz Gaming Monitor delivers fast and smooth visuals for serious gaming. Its 2K resolution shows sharp detail and clean image quality. The 27-inch screen gives wide viewing space for full immersion. This helps you enjoy every game scene clearly. Moreover, the ViewSonic VX2758A-2K-PRO-3 27″ 2K 240Hz Gaming Monitor features a powerful 240 Hz refresh rate. This high refresh rate makes motion extremely smooth and fluid. Fast games look clean and responsive at all times. As a result, reaction time improves during competitive play. In addition, the monitor offers a very fast response time. This helps reduce ghosting and motion blur during quick action. Movements feel sharp and accurate on screen. This gives a clear advantage in fast-paced games. Furthermore, the ViewSonic VX2758A-2K-PRO-3 27″ 2K 240Hz Gaming Monitor uses an IPS panel for wide viewing angles. Colors stay accurate from different positions. Images remain bright and clear even from the side. This improves both gaming and content viewing. Also, the monitor supports adaptive sync technology. This helps reduce screen tearing and stuttering during gameplay. Frame changes stay smooth and stable. This keeps the gaming experience clean and enjoyable. In addition, the monitor includes modern connection options. It supports DisplayPort and HDMI for easy setup. You can connect gaming PCs, consoles, and media devices quickly. This adds strong flexibility to your setup. Moreover, the slim bezel design gives the monitor a clean and modern look. It fits well on small and large desks. The stand allows tilt adjustment for simple comfort control. Wall mounting is also supported for clean setups. Overall, the ViewSonic VX2758A-2K-PRO-3 27″ 2K 240Hz Gaming Monitor delivers speed, clarity, and smooth performance in one display. It improves gaming accuracy and visual comfort. This monitor is ideal for fast gaming, daily use, and competitive players. Specifications: Resolution : 2K QHD Display : 27″ IPS Refresh Rate : 240Hz Response Time : 1ms
The Cudy AC1200 dual band WiFi extender boosts and extends your wireless coverage with speeds up to 1200Mbps across 2.4GHz and 5GHz bands. Ideal for eliminating dead zones, it provides stronger and more stable WiFi for streaming, gaming, and online work in every corner of your home or office. The Cudy AC1200 Dual Band WiFi Extender is designed to expand your existing WiFi network and deliver stronger coverage where your router signal is weak. With support for both 2.4GHz and 5GHz frequencies, it provides balanced performance for browsing, streaming, video calls, and gaming. Easy to set up and compatible with most routers, this extender is the perfect solution for improving WiFi connectivity in homes, offices, and multi-room spaces. AC1200 Dual Band Speed: Up to 1200Mbps total for smooth browsing and streaming 2.4GHz + 5GHz Support: Better performance and reduced interference Eliminates WiFi Dead Zones: Extends coverage to hard-to-reach rooms Stable Connection: Ideal for HD streaming, gaming, and online meetings Universal Compatibility: Works with most WiFi routers and access points Easy Setup: Simple installation with WPS / web configuration (model dependent) Compact Plug-In Design: Saves space and fits easily in any outlet Multiple Modes: Extender / Access Point (depending on model) Perfect for homes, offices, cafés, and apartments needing stronger WiFi coverage. Works with most routers and improves signal strength for devices like smartphones, laptops, smart TVs, consoles, and IP cameras.
The MSI MPG 491CQPX QD-OLED 49″ DQHD 240Hz Curved Gaming Monitor gives you a huge, immersive ultrawide screen for gaming and productivity. The 49-inch panel with 5120 × 1440 resolution delivers sharp, detailed imagery for games, movies, work and editing. The wide 32:9 aspect ratio offers expansive workspace and full immersive views. Moreover, the MSI MPG 491CQPX QD-OLED 49″ DQHD 240Hz Curved Gaming Monitor features a very fast 240 Hz refresh rate. This high refresh makes motion smooth and fluid during fast games and action scenes. With a 0.03 ms GtG response time, visuals stay sharp and input feels responsive. This reduces motion blur and keeps gameplay crisp. In addition, the monitor uses a QD-OLED panel with deep contrast and rich colors. Blacks are deep, colors pop, and images look vivid under different lighting. Furthermore, the MSI MPG 491CQPX QD-OLED 49″ DQHD 240Hz Curved Gaming Monitor supports adaptive sync (G-Sync compatible) to prevent screen tearing. It also supports HDR with high peak brightness for richer highlights. This makes games, movies, and graphics feel more dynamic and realistic. Also, connectivity is modern and versatile. You get HDMI 2.1 and DisplayPort 1.4 for high refresh output, plus USB-C with power delivery for convenience. The monitor’s stand offers tilt, swivel, and height adjustments for a comfortable setup. The sleek design and slim bezels give a clean, premium look. Overall, the MSI MPG 491CQPX QD-OLED 49″ DQHD 240Hz Curved Gaming Monitor blends size, speed, and image quality into one impressive display. It enhances gaming performance, boosts productivity, and elevates media consumption. This monitor is ideal for gamers, creators, and multitaskers who want top-tier visuals and immersive experience. Specifications: Display : 49″ QD-OLED Resolution : 5120 x 1440 (DQHD) Refresh Rate : 240Hz Response Time : 0.03ms Curvature : 1800R
The HP 25X Gaming 25″ Monitor delivers fast, smooth visuals for gaming and everyday use.It features a 25‑inch FHD display that shows crisp images and fluid motion.Moreover, the high refresh rate keeps gameplay smooth and responsive. This gaming monitor uses a panel with wide viewing angles and vibrant color.Additionally, its fast response time helps reduce motion blur during intense action.Anti‑glare coating helps reduce reflections in bright lighting. The HP 25X Gaming Monitor includes HDMI and DisplayPort inputs for easy connection to PCs and consoles.Furthermore, tilt adjustment lets you find a comfortable viewing angle.Low blue light and flicker‑free features help reduce eye strain during long sessions. This display works well for competitive gamers, students, and home users alike.Therefore, it supports gaming, streaming, and everyday computing.Finally, it combines speed, good visuals, and comfort features for daily use. Specifications: 25″ Full HD (1920 × 1080) panel High refresh rate (typically 144 Hz) for smooth motion Fast response time (often 1 ms) for competitive play HDMI + DisplayPort ports for device connection Anti‑glare finish with low blue light & flicker‑free tech
Introducing the Samsung ViewFinity S9 S90PC 27—a collection of monitors designed to redefine your visual experience and meet the demands of modern users. Embark on a journey of visual excellence with cutting-edge features that distinguish the Samsung Monitor Series. From vibrant displays to advanced technologies, these monitors ensure a superior and immersive viewing experience for users. Beneath their sleek and modern exteriors lies a commitment to seamless functionality. The Samsung Monitor Series is crafted to deliver not only stunning visuals but also user-friendly interfaces, making them an essential tool for both work and entertainment. Delve into the seamless integration of advanced technologies, ensuring these monitors adapt effortlessly to the evolving demands of modern content consumption. Whether you’re working on detailed tasks, streaming high-definition content, or gaming, the Samsung Monitor Series caters to diverse needs. Portability may not be the focus, but these monitors excel in providing flexible setups for various environments. With their slim profiles and versatile designs, the Samsung Monitor Series ensures your viewing experience remains top-tier. In conclusion, elevate your viewing experience with the Samsung ViewFinity S9 S90PC 27. Immerse yourself in cutting-edge features, vibrant displays, and sleek designs. Choose the Samsung Monitor Series for a monitor lineup that seamlessly blends advanced technology with visual brilliance. Specifications: Display : 27″ Resolution : 5120×2880 Response Time : 5ms Refresh Rate : 60Hz Part Number : LS27C902PAMXUE
Acer Nitro VG252QXbmiipx Gaming G-SYNC Screen size 31.5 Inches Display resolution maximum 1920 x 1080 Connectivity technology HDMI Aspect ratio 16:9 Specific uses for product Gaming Response time 4 Milliseconds Resolution FHD 1080p Number of HDMI Ports 2 Image brightness 400 cd/m² Voltage 240 Volts
HP P24q G4 QHD Height Adjust Monitor Are you seeking a monitor that can elevate your workstation’s comfort and productivity? Meet the HP P24q G4 QHD Height Adjust Monitor, a versatile solution designed to meet your needs. One of the key features of the HP P24q G4 is its Quad High Definition (QHD) display. With four times the resolution of standard HD, you’ll experience stunning clarity and detail in your work and entertainment. The 24-inch screen size strikes a perfect balance, providing enough space for multitasking without taking up excessive desk space. It’s a comfortable and functional addition to any workspace. Adjusting the monitor to your preferred height is effortless, thanks to its height-adjustable stand. This allows you to tailor your viewing angle for maximum comfort, reducing strain during extended work hours. Setting up the P24q G4 is a straightforward process. Connect it to your PC or laptop through standard ports, and you’re ready to enhance your workspace. Say goodbye to complicated installation procedures. The monitor’s modern design not only complements your workspace but also adds a touch of sophistication. It blends seamlessly with your existing setup, enhancing the overall aesthetics. Whether you’re a professional or a casual user, the HP P24q G4 offers fantastic value for your investment. Its affordable price point ensures that you can enjoy top-notch features without breaking the bank. Specifications: 60.45 cm (23.8″) QHD (2560 x 1440) Asset control; Language selection; On-screen controls; Pivot rotation; Plug and Play; User controls; Anti-glare Response time: 5ms GtG (with overdrive) HDMI; VGA
The ViewSonic VX3211-4K-mhd 32″ 4K Monitor is designed to transform your visual experience. Whether you’re working, gaming, or watching movies, this monitor delivers crystal-clear images with incredible detail. Featuring a stunning 32-inch 4K UHD display, the ViewSonic VX3211-4K-mhd provides four times the resolution of Full HD. This means you can enjoy sharper images, vibrant colors, and exceptional clarity, making every detail come to life. The ViewSonic VX3211-4K-mhd supports a wide color gamut, ensuring that colors are accurate and true to life. This makes it an excellent choice for graphic designers, photographers, and video editors who need precise color reproduction. With multiple connectivity options, including HDMI, DisplayPort, and Mini DisplayPort, the ViewSonic VX3211-4K-mhd offers versatility for connecting various devices. Whether you’re connecting a computer, gaming console, or other multimedia devices, this monitor has you covered. The ViewSonic VX3211-4K-mhd also features advanced eye care technology. Flicker-Free and Blue Light Filter functions help reduce eye strain during extended viewing sessions, making it comfortable for long hours of work or entertainment. This monitor is also designed with an ultra-slim bezel, offering a sleek and modern look that complements any workspace or gaming setup. Its VESA compatibility allows for easy mounting, giving you the flexibility to set it up the way you like. In conclusion, the ViewSonic VX3211-4K-mhd 32″ 4K Monitor offers stunning visuals, vibrant colors, and versatile connectivity. Upgrade your display today and experience the difference that 4K resolution can make. Specifications: Display : 32″ UHD Resolution : 4K (3840×2160) Refresh Rate : 60Hz Response Rate : 3ms
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.
WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable - Silver WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable – Silver
A4Tech Wireless Keyboard & Mouse Combo USB | 3000N
Introducing the LG MyView Smart Monitor – your all-in-one display solution for work, entertainment, and everything in between. With its innovative features and user-friendly interface, this monitor redefines convenience and efficiency. First and foremost, versatility is the name of the game. Whether you’re working on spreadsheets, streaming your favorite shows, or gaming with friends, the MyView Smart Monitor adapts effortlessly to your needs. Transitioning between tasks is seamless thanks to its intuitive interface and quick response times. Say goodbye to cluttered desktops and hello to a streamlined workflow that maximizes productivity. Moreover, connectivity options abound. From wireless casting to multiple input ports, the MyView Smart Monitor ensures compatibility with a wide range of devices. Whether you’re using a laptop, tablet, or smartphone, connecting is hassle-free. In addition, ergonomic design features such as adjustable stands and eye-care technology prioritize your comfort and well-being during extended use. Say goodbye to eye strain and discomfort – the MyView Smart Monitor has your back. Furthermore, its sleek and modern design adds a touch of sophistication to any space, whether it’s your home office or entertainment center. Elevate your surroundings with a display that not only performs but also complements your aesthetic. In conclusion, the LG MyView Smart Monitor is more than just a display – it’s a versatile companion that enhances every aspect of your digital life. Experience the convenience, efficiency, and style it brings to the table, and unlock a world of possibilities today. Specifications: Display : 27″ IPS Resolution : 1920 x 1080 Refresh Rate : 60Hz Response Rate : 5ms GTG Speaker : 5W x2
