A compact and reliable pre-owned Lenovo ThinkPad L390 with 13.3" display, 8th Gen Core i7, 8GB RAM, and 256GB SSD—ideal for mobile professionals and students who need performance and portability in a durable business laptop.
The LG 27U511SA-W 27″ FHD IPS Smart Monitor with Speakers is built for comfortable viewing, entertainment, and everyday productivity. Its 27-inch Full HD IPS display delivers clear visuals and consistent colors, making it suitable for work, streaming, and browsing. Moreover, the IPS panel ensures wide viewing angles so images remain accurate from different positions. This smart monitor allows direct access to streaming apps without requiring a connected PC. Additionally, the built-in speakers provide convenient audio for movies, meetings, and casual gaming without external devices. The slim and modern design fits easily into home or office environments while keeping your workspace clean and organized. Connectivity options allow easy connection to laptops, consoles, and media devices. Furthermore, ergonomic adjustments help users maintain comfortable viewing positions during long sessions. Therefore, the monitor suits home users, students, and professionals seeking versatility and convenience. Finally, it combines smart functionality, quality visuals, and built-in sound for daily entertainment and productivity needs. Specifications: 27-inch Full HD IPS smart monitor Built-in speakers for convenient audio Smart features for direct streaming access Wide viewing angles with accurate colors Modern design with versatile connectivity
Philips 24E2N2100 is a 23.8-inch Full HD IPS monitor designed for smooth visuals and accurate color performance. It supports a 1920 × 1080 resolution with a 120Hz refresh rate and 1ms MPRT response time for fast motion clarity. The IPS panel provides wide viewing angles and consistent image quality. Additionally, it includes Adaptive Sync for reduced screen tearing and smoother gameplay. LowBlue Mode and Flicker-Free technology help reduce eye strain during long sessions. Moreover, HDMI 1.4 and VGA connectivity support standard PC and laptop setups. SmartImage presets adjust display settings based on content type. The Philips 24E2N2100 delivers reliable performance for work, media, and casual gaming. It combines IPS color accuracy with high refresh smoothness for everyday use. Specifications: 23.8-inch IPS display with Full HD 1920 × 1080 resolution 120Hz refresh rate for smoother motion performance 1ms MPRT response time for reduced motion blur Adaptive Sync support for tear-free visuals LowBlue Mode and Flicker-Free technology for eye comfort
BATTERY ASUS A41-X550E X450 X450e X450j X450jf X550e X550z X550za X750j X750ja X751 X751m A450j A450jf A450e F751la F751ma F751mj R751 R752 F751 K751 P750L P750L Series About this item Gomarty:100% Brand NEW, Battery Type: Li-ion Voltage: 15V Capacity: 2600MAH Cells: 4-cell Color: Black, High-Quality Battery for ASUS; Gomarty has registered a U.S. Trademark and the serial number is 87155272 Battery Models: A41-X550E Laptop Battery for Asus X450 X450E X450J X450JF X751M X751MA-DB01Q X751MA X751L X750JA This laptop Battery works with ASUS D451V D451E K450V K550E K550D K550DP F450 F450C F450V F450E F450J F450JF F751 F751L F751LA F751LAV F751LB F751LD F751LDV F751LJ F751LK F751LN F751LX F751M F751MA F751MD F751MJ A450 A450C A450V A450E A450J A450JF Series 0B110-00220000M. Grade A cells ensure fast charges and low power consumption, while built-in circuit protection ensures safety and stability. Customer Questions: If you have any questions, you can contact us. We will respond within 24 hours.
Experience entertainment like never before with the ViewSonic 32″ 75Hz Monitor VX3276-MHD-3. This monitor is designed to take your viewing experience to the next level. Featuring a spacious 32-inch display, enjoy crisp and clear visuals with vibrant colors and sharp details. Dive into your favorite movies, shows, and games with immersive clarity and realism. With a refresh rate of 75Hz, this monitor ensures smooth and fluid motion, reducing motion blur for a more enjoyable viewing experience. Say goodbye to choppy visuals and hello to seamless entertainment. Transitioning to design, the VX3276-MHD-3 boasts a sleek and modern design that complements any space. Its ultra-thin bezel provides a larger viewing area, maximizing your screen real estate for an immersive experience. Moreover, the monitor’s versatile connectivity options allow you to easily connect to your favorite devices, whether it’s your gaming console, streaming device, or PC. Enjoy hassle-free entertainment with seamless connectivity. Additionally, the VX3276-MHD-3 is equipped with ViewSonic’s exclusive ViewMode presets, offering optimized settings for different viewing scenarios. Choose from various presets like Game, Movie, and Web to customize your viewing experience. In conclusion, the ViewSonic 32″ 75Hz Monitor VX3276-MHD-3 is the perfect companion for your entertainment needs. With its stunning visuals, smooth performance, and versatile design, it’s sure to enhance your viewing experience. Upgrade your entertainment setup today and immerse yourself in a world of endless entertainment possibilities. Specifications: Display : 32″ IPS Resolution : FHD (1920×1080) Refresh Rate : 75Hz Response Rate : 4ms GTG
About this item Multifunctional: retro portable speaker, supports Bluetooth transmission, U disk, memory card, AUX (connect to MP3, MP4 player, smartphone, PC) to play music. It is easy to enjoy stereo sound for music lovers. Long battery life: the Bluetooth speaker has a built-in 1500 mAh battery, is rechargeable and environmentally friendly, and offers a battery life of 8 hours so that you can enjoy your favorite music and radio stations for a long time. CLEAR SOUND The radio speaker with a built-in powerful DSP chip and antenna ensures excellent reception, allowing you to experience clear sound. The transmitters can be easily selected to find your favorite FM channels. POWERFUL: This wireless speaker is compact, but with high power, the 5W speaker delivers powerful sound quality. Allows you to enjoy the rich and impressive sound and transform your room into an enchanting listening environment. RETRO DESIGN The small wireless FM radio speaker with charming and versatile design combines classic aesthetics and is a delightful addition to your sound collection. Perfect for living room, bedroom, party, etc.
The ViewSonic 27″ 180Hz Gaming Monitor delivers an ultra-smooth gaming experience. With a 180Hz refresh rate, every motion looks fluid and lag-free. This makes it perfect for fast-paced games like shooters and racing titles. Featuring a 1ms response time, the monitor reduces motion blur and ghosting. You get sharper visuals and smoother gameplay, giving you a competitive edge. Say goodbye to input lag and enjoy instant reactions. The ViewSonic 27-inch Gaming Monitor offers Full HD resolution for crisp and detailed visuals. Whether you’re gaming, streaming, or working, you’ll enjoy clear images with vibrant colors. The IPS panel ensures wide viewing angles and accurate colors. With AMD FreeSync technology, screen tearing and stuttering are eliminated. The monitor syncs with your graphics card for seamless gameplay. This ensures a smoother and more immersive gaming experience, even in demanding scenes. This monitor is designed for comfort and versatility. The ergonomic stand allows you to adjust height, tilt, and swivel for the perfect viewing angle. You can also mount it on a wall for a clean setup. Multiple connectivity options make the ViewSonic 27″ 180Hz Gaming Monitor easy to use. It includes HDMI and DisplayPort, allowing you to connect to gaming consoles, PCs, and more. With a sleek, modern design, this monitor enhances any gaming setup. The narrow bezels create a seamless multi-monitor experience. Enjoy distraction-free gaming with an immersive display. Upgrade your gaming experience with the ViewSonic 27″ 180Hz Gaming Monitor. Enjoy smooth performance, fast response times, and stunning visuals. Specifications: Display : 27″ IPS Resolution : 1920 x 1080 FHD Refresh Rate : 180Hz Response Rate : 1ms MPRT
A premium ultralight pre-owned Lenovo ThinkPad T14s Gen 3 with 14" display, AMD Ryzen 7 6850U, 16GB RAM, and 512GB SSD—delivering exceptional performance, all-day battery life, and workstation-class integrated graphics in a featherlight business laptop.
Samsung Monitor LS32BG850 32″Neo G8 4K Curved UHD Display Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 Dynamic Contrast RatioMega DCR HDR(High Dynamic Range)Quantum HDR 2000 HDR10+Yes Mini LED Local DimmingYes (1,196 zones) HDR10+ GamingYes Resolution3,840 x 2,160 Response Time1ms(GTG) Viewing Angle (H/V)178°/178° Color SupportedMax 1B Color Gamut (DCI Coverage)95% (Typ) Refresh RateMax 240Hz Specifications: Specifications Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 3 year warranty
The ViewSonic VX24G10 24″ FHD 240Hz Gaming Monitor delivers ultra-smooth visuals ideal for gaming and daily use. It displays Full HD resolution with bright colors and crisp detail. The screen uses an IPS panel for wide viewing angles and accurate color. This makes movies, work, and games look clear and vivid. Moreover, the VX24G10 offers a blazing 240 Hz refresh rate. It reduces motion blur and makes fast movements appear fluid. This is especially helpful in competitive games or fast action scenes. The 1 ms response time ensures quick pixel transitions for sharp results. It helps avoid ghosting and lag during gameplay. In addition, the monitor includes modern connectivity options: multiple HDMI ports and DisplayPort. These ports let you connect PCs, laptops, and consoles easily. This flexibility supports many devices without trouble. The monitor also supports adaptive sync (FreeSync / G-Sync), which reduces screen tearing and ensures smooth frame rates. Furthermore, the ViewSonic VX24G10 features eye-friendly technology. Its flicker-free panel and blue-light filter help reduce eye strain during long sessions. The slim bezel design gives a modern look and saves desk space. The stand allows slight tilt adjustment for comfortable viewing angles. Also, the monitor supports HDR10, enhancing contrast and improving dynamic range for richer images. This adds depth to games, movies, and creative work. The combination of IPS quality, fast refresh, and HDR makes the VX24G10 a versatile choice for both gaming and productivity. Overall, the ViewSonic VX24G10 24″ FHD 240Hz Gaming Monitor offers smooth motion, sharp visuals, strong compatibility, and eye care. It is perfect for gamers, creators, and anyone who values performance and comfort. It enhances every task — from gaming to work to watching media. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 240Hz Response Time : 1ms
Viewsonic VA2406-MH 24” The Viewsonic VA2406-MH 24” is a 24” Full HD monitor with HDMI . and VGA input for business or home usage.Delivering a stunning image quality . this monitor provides six ViewMode presets that deliver optimized screen performance based on your needs. The eye care technology that comes standard with all VA monitors helps to eliminate eyestrain from extended viewing periods. A VESA-compatible mount makes this monitor is easy to setup on the wall or with a wide range of industry-standard mounts. Viewsonic VA2406-MH 24” Viewing Clarity from Wide Angles Enjoy superb performance and better viewing quality from horizontal to vertical angles. With SuperClear® Vertical Alignment panel technology, the monitor remains clear and in good contrast color . from 178° all around, whether you are looking at the screen from above, below, the front. Viewsonic VA2406-MH 24” Full HD 1080p Full HD 1920×1080 resolution creates unbelievably clear pixel-by-pixel image performance. Experience amazing clarity and detail while working, gaming, or enjoying the latest entertainment. Comfortable Viewing Flicker-Free technology and a Blue Light Filter help to eliminate eye strain from extended viewing periods. Color Rendering Options ViewSonic’s ViewMode feature offers “Game”, “Movie”, “Web”, “Text”, and “Mono” presets. These presets enhance gamma curve, color temperature, contrast, and brightness to deliver an optimized viewing experience for different uses. Low Energy Consumption Designed for energy efficiency in mind, ViewSonic’s Eco Mode results in a smaller carbon footprint and reduced office overhead costs. Specifications Viewsonic VA2406-MH 24” Display Size (in.): 24 Viewable Area (in.): 23.8 Panel Type: VA Technology Resolution: 1920 x 1080 Resolution Type: FHD (Full HD) Static Contrast Ratio: 5,000:1 (typ) Dynamic Contrast Ratio: 50M:1 Light Source: LED Brightness: 250 cd/m² (typ) Colors: 16.7M Color Space Support: 8 bit (6 bit + FRC) Aspect Ratio: 16:9 Response Time (Typical GTG): 4ms Viewing Angles: 178º horizontal, 178º vertical Backlight Life (Hours): 30000 Hrs (Min) Curvature: Flat Refresh Rate (Hz): 75 Blue Light Filter: Yes Flicker-Free: Yes Color Gamut: NTSC: 72% size (Typ) sRGB: 104% size (Typ) Pixel Size: 0.275 mm (H) x 0.275 mm (V) Surface TreatmenViewsonic VA2406-MH 24” t: Anti-Glare, Hard Coating (3H) Compatibility PC Resolution (max): 1920×1080 Mac® Resolution (max): 1920×1080 PC Operating System: Windows 10/11 certified; macOS tested Mac® Resolution (min): 1920×1080 Connector VGA: 1 3.5mm Audio Out: 1 HDMI 1.4: 1 Power in: DC Socket (Center Positive) Specifications: Key Features SuperClear® VA panel Eye-care technology for comfortable viewing Eco-mode for low energy consumption ViewMode color rendering options HDMI and VGA inputs for connectivity HD 24″ Display 1 year warranty Manufacturer Link
Experience gaming and entertainment like never before with the ViewSonic 32” 75Hz 2K QHD Monitor. Boasting a spacious screen and crisp resolution, it delivers stunning visuals that immerse you in every detail. Transitioning smoothly between tasks is effortless with this monitor’s 75Hz refresh rate, ensuring fluid motion and responsiveness. Whether you’re gaming, watching videos, or browsing the web, enjoy a seamless experience without lag or stuttering. Additionally, the built-in speakers provide clear and immersive audio to complement the vibrant visuals. Say goodbye to cluttered desk space and external speakers – this monitor offers a streamlined solution for both audio and visual needs. Furthermore, its sleek and modern design adds a touch of elegance to any workspace or gaming setup. With slim bezels and a minimalist aesthetic, the VA3209-2K seamlessly blends into your environment, enhancing the overall look and feel of your space. Moreover, the monitor’s QHD resolution delivers sharp and detailed images, making every scene come to life with clarity and precision. Whether you’re editing photos, watching movies, or gaming, enjoy an immersive viewing experience like never before. In conclusion, the ViewSonic 32” 75Hz 2K QHD Monitor VA3209-2K is a versatile display solution that combines stunning visuals, smooth performance, and immersive audio. Upgrade your viewing experience today and immerse yourself in a world of vibrant colors and crisp details. Specifications: Display : 32″ IPS Resolution : QHD(2560 x 1440) Refresh Rate : 75Hz Response Rate : 4ms
Logitech MK120 Wired USB Keyboard Mouse Desktop Combo Height: 6.10 in (155 mm) Width: 17.72 in (450 mm) Depth: 0.93 in (23.5 mm) Weight: 19.4 oz (550 g) Cable length: 4.9 ft (150 cm) Height: 4.45 in (113 mm) Width: 2.44 in (62 mm) Depth: 1.50 in (38 mm) Weight: 3.17 oz (90 g) Cable length: 70.87 in (180 cm) Spill-resistant design 1Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid. Adjustable keyboard height 10-Key Number pad Caps lock indicator light Num lock indicator light Up to 10 million keystrokes (excludes number lock key) Key type: Deep profile Sensor Technology: Optical tracking Number of Buttons: 3 (Left/Right-click, Middle click) Scrolling: line-by-line Scroll Wheel: Yes, optical Mouse plastics: 72% post-consumer recycled material 2Excludes plastic in cable assembly, printed wiring assembly (PWA) and packaging. Keyboard plastics: 54% post-consumer recycled material 3Excludes plastic in cable assembly, printed wiring assembly (PWA) and packaging. Windows® 10,11 or later Two available USB ports
Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A2338, 2020, Apple M1)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13-inch (2020, Model A2338, Model Identifier MacBookPro17,1) with Apple M1 chip (2 Thunderbolt ports). Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Important Compatibility Notes: ✅ Only for A2338 (13″, M1, 2020) ❌ Not compatible with: Intel-based A2251 / A2289 (2020) MacBook Air M1 (A2337) Any MacBook Air or 14″/16″ MacBook Pro ✅ Only for A2338 (13″, M1, 2020) ❌ Not compatible with: Intel-based A2251 / A2289 (2020) MacBook Air M1 (A2337) Any MacBook Air or 14″/16″ MacBook Pro Intel-based A2251 / A2289 (2020) MacBook Air M1 (A2337) Any MacBook Air or 14″/16″ MacBook Pro
Tabletop Desk Metal Stand for lPad/Tablet/Mobile Phones-Adjustable Multi Angle Long Arm-Device 3.5~10.6 inches- Office, Home, Watching Movie, Drawing, Live Streaming Stand Holder is suitable for tablets and cell phones whose size of 3.5 to 10.6 inches. 【Flexible】- stand mount with long arm can adjust freely in multi angle. Its head can be rotated 360 degrees. That’s stable and durable. 【Many suitable occasions】- Play online recipes, Baking Crafting Demo Video. In bedroom: Enjoy your free time to watch online movies, videos, browsing, YouTube, TikTok etc. In office: Participate in online meeting, and as a desk organizer to clean the office environment. 【Strong design】-Tablet Stand adjustable has a high-end metal extended arm and a clamp clip that can be easily operated with one hand and a charging hole reserved. 【LIVE stream equipment】- Place the tablet and cell phone stand on the desktop and then you can live streaming showing upper body that very convenient to avoid blurring caused by hand-shake..
The lg 34g600a b ultrawide gaming monitor is built for immersive gameplay and wide-screen productivity. It features a 34-inch curved display with WQHD resolution, which provides more screen space and sharper image quality. Therefore, it enhances both gaming and multitasking experiences. Moreover, the monitor supports a 160Hz refresh rate, which delivers smoother motion during fast gameplay. In addition, it helps reduce motion blur, allowing players to react more quickly in competitive situations. Furthermore, the UltraWide curved design improves viewing comfort and expands the field of view. As a result, users can enjoy a more engaging experience when gaming, watching content, or working across multiple windows. The monitor also includes modern connectivity options for compatibility with gaming systems and PCs. In addition, it maintains stable display performance during long sessions, which supports consistent usage. In conclusion, this monitor offers smooth visuals, a wide display, and reliable performance for both gaming and daily tasks. Specifications: 34-inch UltraWide curved display WQHD (2560 x 1440) resolution 160Hz refresh rate Wide aspect ratio for multitasking Suitable for gaming and productivity
The Alienware AW2725DF 27″ 360Hz OLED Gaming Monitor is built for gamers who demand top performance and rich visuals. It features a 27-inch QHD (2560 x 1440) display, offering clear detail and vibrant colors. This monitor uses a Quantum Dot OLED panel, which delivers deep blacks, bright highlights, and true-to-life colors. With a 360Hz refresh rate and 0.03ms response time, motion is silky smooth and incredibly sharp. It covers 99.3% of the DCI-P3 color range, making every game look vivid and accurate. It also supports HDR with DisplayHDR True Black 400, enhancing contrast and brightness in dark scenes. For connections, it offers two DisplayPort 1.4, one HDMI 2.1, four USB 3.2 Gen 1 ports, and a USB-C port with 15W power delivery. This gives you plenty of options for plugging in accessories and charging devices. The stand supports height, tilt, swivel, and pivot adjustments, so you can game comfortably for hours. It’s also VESA mount compatible, allowing flexible setups to fit your space. Extra features include AlienFX lighting for customization and gaming overlays that offer helpful tools during play. A built-in USB hub and cable management system help keep your desk neat. In short, the Alienware AW2725DF combines a fast OLED panel, ultra-high refresh rate, and stunning color accuracy, making it perfect for competitive and immersive gaming. Specifications: Display : 27″ QD-OLED Resolution : QHD 2560 x 1440 Refresh Rate : 360Hz Response Time : 0.03ms
Lightning-fast: Experience the best available in IPS Technology with native refresh rates of up to 240Hz. 1ms response. No gimmicks: A true 1ms response time blasts away ghosting and blurs for clear images with no artificial tricks needed. The ultimate color coverage True colors, real speed: New, fast IPS technology helps maintain image clarity from every angle of the screen. Plus, with up to 99% sRGB color coverage, you have a wide array of colors in your arsenal. Best of both worlds: A 24.5” monitor combined with native FHD 1080p resolution provides the best pixel-per-inch ratio, so details are clearer and images are life-like, making the 24.5” form factor the ideal size for high speed gaming.
A high-performance pre-owned MacBook Pro 15" (2015) with a stunning Retina display, upgraded 16GB RAM, 128GB SSD, and powerful 2GB dedicated graphics—ideal for developers, creatives, and power users seeking reliable Apple performance.
The ViewSonic VG2455 24″ FHD 100Hz Monitor delivers clear visuals for office work and daily use. Its Full HD resolution shows sharp text and smooth image detail. The 24-inch screen offers a balanced size for most desks. This makes it ideal for home and professional setups. Moreover, the ViewSonic VG2455 24″ FHD 100Hz Monitor features a smooth 100 Hz refresh rate. This makes scrolling smoother and video playback more fluid. Motion looks cleaner during fast content. In addition, the monitor uses an IPS panel for wide viewing angles. Colors stay accurate even when viewed from the sides. This helps during team work and shared screen tasks. The image remains stable and clear. Furthermore, the ViewSonic VG2455 24″ FHD 100Hz Monitor includes built-in eye care features. Low blue light mode helps reduce eye strain. The flicker-free design supports long viewing without discomfort. This helps protect your eyes every day. Also, the monitor offers flexible connection options. It supports HDMI, DisplayPort, and USB-C in one display. In addition, the stand supports height, tilt, swivel, and pivot adjustment. You can set the screen for full comfort. Vertical mode helps with coding and reading. This improves posture and daily comfort. Moreover, the slim bezel design gives a clean and modern look. It fits well into any professional workspace. The simple design keeps your desk neat and organized. The monitor blends easily with other screens. Overall, the ViewSonic VG2455 24″ FHD 100Hz Monitor delivers comfort, clarity, and smooth daily performance. It improves workflow and reduces eye strain. This monitor is perfect for office users, students, and home professionals needing a reliable display. Specifications: Display : 24″ IPS Resolution : FHD 1920 x 1080 Refresh Rate : 100Hz Response Time : 5ms
