The Transcend TS8XDVDS-K is an ultra-slim, lightweight external portable DVD writer designed for laptops, ultrabooks, and thin desktop computers lacking internal optical drives. Offering fast 8X DVD and 24X CD read/write speeds, it provides a seamless plug-and-play solution for burning media, backing up critical data, and playing movies on the go without requiring an external power adapter. ✅ Full Specifications: Model: Transcend Extra Slim Portable DVD Drive (TS8XDVDS-K) – Black Edition Interface / Connection: Mini-USB to USB Type-A interface (Includes a specialized USB double-headed power/data cable) Performance / Speed: * DVD±R Read/Write: Up to 8X DVD±R DL (Double Layer) Read/Write: Up to 6X DVD-RAM Read/Write: Up to 5X CD-R/RW Read/Write: Up to 24X Performance / Speed: * DVD±R Read/Write: Up to 8X DVD±R DL (Double Layer) Read/Write: Up to 6X DVD-RAM Read/Write: Up to 5X CD-R/RW Read/Write: Up to 24X Capacity / Media Compatibility: Supports standard CD-R/RW, DVD±R, DVD±RW, DVD±R DL, and M-DISC long-term archival media formats. Material & Build: Durable, premium hard plastic housing with a sleek, rounded-edge aesthetic. Design & Form Factor: Extra-slim layout measuring just 13.9mm in thickness. Top-loading tray mechanism with an emergency manual eject hole. Power Setup: Fully USB bus-powered (No external power wall adapter required; draws power directly from host computer USB ports). Security & Software: Includes a free download of CyberLink Media Suite 10 (Media Writer) data burning software via registration. Supports TV Connectivity (allows plugging into supported smart TVs to play media files directly). Compatibility: Windows 11 / 10 / 8 / 7, macOS (10.7 and above), and Linux Dimensions: Approx. 142.8 x 148.0 x 13.9 mm (5.62″ x 5.83″ x 0.55″) Weight: Approx. 264 grams (0.58 lbs)
View Sonic Monitor VA2432-h 24” 1080p IPS Monitor HDMI and VGA Input SuperClear® IPS Technology for rich colors at wide angles 75Hz Refresh rate delivers fluid visuals Eye-Care technology for comfortable viewing Eco-mode for low energy consumption Superior ViewMode color rendering options VESA wall-mountable Specifications: View Sonic Monitor VA2432-h 24” 1080p IPS Monitor HDMI and VGA Input SuperClear® IPS Technology for rich colors at wide angles 75Hz Refresh rate delivers fluid visuals Eye-Care technology for comfortable viewing 1 Year Warranty
The ASUS VG27AQ3A 27 inch QHD 180Hz Monitor is a 27-inch gaming display designed for smooth performance and clear image quality. It uses a Fast IPS panel that provides wide viewing angles and consistent colors for gaming and everyday use. It features a QHD (2560×1440) resolution, which delivers sharper detail than Full HD. Therefore, users get more screen space and clearer visuals for games, work, and media. The monitor supports a 180Hz refresh rate for smoother motion in fast-paced gameplay. In addition, it includes a 1ms response time to reduce motion blur during rapid actions. It also features ELMB Sync technology, which combines motion blur reduction with adaptive sync. As a result, it helps reduce screen tearing and improves overall visual clarity. Moreover, it supports adaptive sync for smoother frame synchronization with compatible GPUs. The monitor also includes built-in gaming presets and on-screen display controls for quick adjustments. Overall, the ASUS VG27AQ3A 27 inch QHD 180Hz Monitor is built for high-refresh gaming, responsive performance, and sharp visual output in a 27-inch QHD format. Specifications: 27-inch QHD (2560×1440) display 180Hz refresh rate 1ms response time Fast IPS panel technology ELMB Sync for reduced motion blur 90LM0940-B01970
The HP Series 5 Pro 23.8″ FHD USB‑C Conferencing Monitor delivers crisp visuals on a 23.8‑inch Full HD IPS screen with a 16:9 aspect ratio. Additionally, it features a built‑in 5 MP Poly Studio tiltable webcam. This webcam, combined with AI noise reduction, ensures clear video and audio during calls. Moreover, the monitor supports USB‑C video input with up to 100 W power delivery. It also provides USB‑C data transfer, HDMI 2.0, DisplayPort 1.4, USB‑A ports with one charging port, an audio combo jack, and an RJ‑45 Ethernet port. These connections simplify hybrid work setups. Furthermore, the ergonomic stand allows height adjustment for comfort. The ambient light sensor with HP Eye Ease reduces blue light while preserving color accuracy. The monitor incorporates recycled materials in its design and comes with a three‑year limited warranty for peace of mind. Specifications: 23.8″ Full HD (1920 × 1080) IPS display with 350 nits brightness and 1500:1 contrast Built‑in 5 MP Poly Studio webcam with AI noise reduction USB‑C video with up to 100 W power delivery and USB‑C data port HDMI 2.0, DisplayPort 1.4, USB‑A ports, Ethernet, and audio combo jack Ergonomic stand with height adjustment and HP Eye Ease ambient light sensor
The Asus TUF VG249Q1R 24″ 144Hz Gaming Monitor delivers smooth and immersive gameplay. With a 144Hz refresh rate and 1ms response time, it ensures ultra-fast performance for competitive gaming. This 24-inch Full HD display offers crisp and vibrant visuals. The IPS panel provides wide viewing angles and accurate colors, making every detail stand out. Whether you’re gaming or watching movies, the experience is stunning. With Extreme Low Motion Blur (ELMB) technology, motion blur is reduced for sharper images. This keeps fast-moving scenes clear and prevents ghosting. Your gameplay stays smooth and responsive. The Asus TUF VG249Q1R also features Adaptive-Sync and FreeSync technology. These prevent screen tearing and stuttering, ensuring fluid visuals. Even in intense action, your gameplay remains lag-free. Designed for comfort, this gaming monitor has flicker-free technology and a low blue light mode. These features reduce eye strain, making long gaming sessions more comfortable. The monitor has multiple connectivity options, including HDMI and DisplayPort. It’s compatible with PCs, gaming consoles, and other devices, making it a versatile choice. With a sleek, TUF Gaming-inspired design, the monitor looks as good as it performs. The slim bezels provide a modern look, perfect for multi-monitor setups. Upgrade your gaming setup with the Asus TUF VG249Q1R 24″ 144Hz Gaming Monitor for smooth, immersive, and tear-free gaming. Specifications: Display : 24″ IPS Resolution : 1920×1080 FHD Refresh Rate : 144Hz Response Rate : 1ms
WIWU Hali Laptop Handbag - Water resistance 14" / 15.6" Black WIWU Hali Laptop Handbag – Water resistance 14″ / 15.6″ Black Handbag with many storage compartments The handbag has many storage compartments of different sizes so you can take your laptop, tablet, charging cable, notepad your mouse, and keyboard all with you to school, work, or on your trip. So you have the functionality of the bag. But also a stylish design. The advantages of the laptop bag at a glance: Made from sustainable materials Waterproof Inside length 38 cm Inside width 26.5 cm Inside height 2.5 cm
Looking for a reliable monitor that combines performance and affordability? The BenQ GW2780 monitor might be your perfect choice, offering an array of features to enhance your visual experience. To begin with, the GW2780 boasts a sleek design that seamlessly blends with any workspace. Its slim bezels create a borderless display, providing an immersive viewing experience for work or entertainment. Equipped with a 27-inch Full HD display, the monitor delivers crisp and clear visuals. Whether you’re working on spreadsheets, watching videos, or gaming, the GW2780 ensures sharp images and vibrant colors. The In-Plane Switching (IPS) technology ensures wide viewing angles, allowing you to enjoy consistent colors and brightness from any angle. Say goodbye to distorted colors and limited viewing positions. Eye strain is a thing of the past with the BenQ GW2780. The Low Blue Light technology reduces harmful blue light emissions, and the flicker-free feature eliminates screen flickering, providing a comfortable viewing experience for extended periods. Connectivity is a breeze with the multiple ports, including HDMI and VGA. Easily link your monitor to various devices such as laptops, desktops, and gaming consoles. The user-friendly design ensures a hassle-free setup. The BenQ GW2780 monitor not only prioritizes performance but also energy efficiency. Energy Star certification reflects its commitment to reducing environmental impact, making it an eco-friendly choice. In summary, the BenQ GW2780 monitor offers a winning combination of affordability and top-notch features. Elevate your viewing experience with this reliable display solution that caters to your entertainment and productivity needs effortlessly. Specifications: Display : 27″ IPS Resolution : 1920×1080 IPS Response Time : 5ms Refresh Rate : 60hz
Laptop Battery for Acer E5-573 Battery for Acer AL15A32, Acer Aspire E5-422, Aspire E5-522, Aspire V3-574 Laptops. About this item Compatible For Preferred Model : Acer Aspire V3-574G E5-473G E5-573G E5-553G E5-522 Warranty Not Covered if Defects due to External Causes, Accidental, Physical or Liquid Damage, Cut, Burnt, Misuse and Missing Warranty Stickers or Labels. Battery Capacity/Power Capability (mAh/Wattage) be different From The Reference Picture But the Backup of the Battery Will Be the Same As the Original Please Match Your Product With The Image Provided Before Placing The Order
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 VA2723-2K-HD 27″ QHD 100Hz Monitor gives sharp, high-resolution visuals for work, games, and media. Its QHD display shows clear, detailed images for photos, videos, and documents. The 27-inch size offers wide viewing space for multitasking and productivity. Moreover, the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor features a smooth 100 Hz refresh rate. This makes motion look fluid and clean on screen. Scrolling, movies, and games feel smoother and more pleasant. This reduces blur during fast scenes. In addition, the monitor uses a bright and vibrant panel for strong color accuracy. Colors stay true from various viewing angles. This helps media, design work, and daily tasks look natural and appealing. It’s great for creators, students, and professionals. Furthermore, the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor includes eye-care technology for comfortable long use. It offers Flicker-Free display to reduce screen flicker. The blue light filter helps lower eye strain. This gives you safer viewing during work or study sessions. Also, the monitor supports HDMI and DisplayPort connections for easy setup. You can connect laptops, desktops, and consoles without hassle. The simple plug-and-play design means less time configuring. This suits home, office, and gaming setups. The design of the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor is modern and minimal. The slim frame fits well on desks of different sizes. The clean look blends into professional and home environments alike. The solid build gives you durable and long-lasting performance. Overall, the ViewSonic VA2723-2K-HD 27″ QHD 100Hz Monitor delivers a great balance of clarity, smoothness, and eye comfort. It boosts productivity, improves media quality, and supports long use. This monitor is ideal for anyone seeking quality and comfort in one screen. Specifications: Display : 27″ IPS Resolution : 2560×1440 Refresh Rate : 100Hz Response Time : 1ms
LENOVO BATTERY L19M4PC0 Compatible for Lenovo Legion 5P-15IMH05 Legion 5-15IMH05 5-15ARH05 Series 5B10W86196 L19M4PC0 5B10W86195 L19M4PC1 5B10W86192 L19C4PC1 5B10W86194 Laptop Battery About this item 【Battery type】Li-ion. Voltage: 15.44V. Capacity: 60Wh 4000mAh . Compatible Models (use “Ctrl+F to find your model quickly”) Fit for Legion 5P-15IMH05 Series Fit for Legion 5P-15IMH05H Series Fit for Legion 5P-15ARH05H Series Fit for Legion 5-15IMH05 Series Fit for Legion 5-15IMH05H Series Fit for Legion 5-15ARH05 Series Fit for Legion 5-15ARH05H Series. .Replacement for Part Number: L19C4PC0 5B10W86196 L19M4PC0 5B10W86195 L19M4PC1 5B10W86192 L19C4PC1 5B10W86194.
The ACER Nitro VG271ZEbmiipx 27″ Monitor delivers smooth and immersive visuals for gaming, work, and multimedia.It features a 27-inch Full HD display with crisp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion during fast-paced games and videos. This monitor uses an IPS panel for wide viewing angles and consistent color across the screen. Additionally, the fast response time reduces blur and ghosting during competitive gaming. The anti-glare coating minimizes reflections in bright environments. HDMI and DisplayPort inputs allow easy connection to gaming PCs and consoles. Furthermore, tilt adjustment helps you find a comfortable viewing angle during long sessions. Low blue light and flicker-free technologies reduce eye strain during extended use. This display is ideal for gamers, students, and home users alike. Therefore, it supports competitive gaming, streaming, and everyday computing. Finally, it combines sharp visuals, smooth performance, and comfort features for daily use. Specifications: Screen Size: 27″ Full HD IPS panel Refresh Rate: High (typically 240Hz for this model) Response Time: Fast for competitive gaming Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye-care
The ViewSonic VX2479-HD-PRO is a 24-inch monitor designed to deliver stunning visuals and smooth performance for gaming, work, or entertainment. Whether you’re streaming videos, editing documents, or playing your favorite games, this monitor ensures vibrant colors and sharp details. Featuring a Full HD resolution of 1920×1080 pixels, the ViewSonic VX2479 provides crystal-clear image quality. You can enjoy a high-definition viewing experience that brings your movies, games, and content to life. This monitor comes equipped with an IPS panel, which offers wide viewing angles and consistent color reproduction. Whether you’re looking at the screen from the side or straight on, the picture quality remains bright and accurate. The ViewSonic VX2479-HD-PRO also supports a 75Hz refresh rate, ensuring smooth and fluid visuals. This makes it ideal for fast-paced gaming and action-packed scenes, reducing motion blur and providing a more enjoyable experience. With multiple connectivity options, including HDMI and DisplayPort, the ViewSonic VX2479 offers easy connections to your PC, gaming console, or other devices. Switching between work and play is quick and hassle-free. Designed with a sleek, frameless design, this monitor adds a modern touch to any workspace or gaming setup. It is lightweight and easy to set up, making it perfect for both home and office use. In conclusion, the ViewSonic VX2479-HD-PRO offers a stunning blend of sharp visuals, vibrant colors, and smooth performance. Upgrade your setup with this versatile monitor and experience high-quality viewing for work and play. Specifications: Resolution : FHD Display : 24″ IPS Refresh Rate : 180Hz Response Time : 1ms
The Lenovo L22E-30 21.5″ LCD Monitor is designed to enhance your viewing experience with clear and vibrant visuals. Whether you’re working, gaming, or streaming your favorite shows, this monitor delivers exceptional quality. With a full HD resolution of 1920×1080, the Lenovo offers crisp and detailed images. Enjoy true-to-life colors and sharp details that make every task more enjoyable. The sleek and modern design of the Lenovo 21.5″ LCD Monitor complements any workspace. Its slim profile and narrow bezels provide a clean and stylish look that fits seamlessly into your setup. This monitor features a 75Hz refresh rate and a 4ms response time, ensuring smooth and lag-free performance. Whether you’re watching videos or playing games, enjoy a seamless experience without any motion blur. The Lenovo 21.5″ LCD Monitor includes multiple connectivity options, including HDMI and VGA ports. Easily connect your computer, gaming console, or other devices for versatile use. Designed with your comfort in mind, this monitor features TUV Rheinland Eye Comfort certification. Reduce eye strain during extended use with flicker-free technology and a low blue light filter. Adjust the Lenovo to your preferred viewing angle with its tilt-adjustable stand. Find the perfect position for maximum comfort, whether you’re working on a project or watching a movie. In conclusion, the Lenovo L22E-30 21.5″ LCD Monitor offers a perfect blend of style, performance, and comfort. Upgrade your workspace today and enjoy an enhanced viewing experience with this versatile and reliable monitor. Specifications: Display : 21.5″ Resolution : 1920 x 1080 Refresh Rate : 75Hz Response Rate : 4ms
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1706 – 2017 and A1989 – 2018/2019)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable connecting 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 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.
BATTERY DELL M5Y1K Laptop Battery for Dell Inspiron 15 5000 5555 5558 5559 3552 3558 3567 14 3451 3452 3458 5458 17 5755 5758 Series Rechargeable 40WH li-ion Battery Replacement Fit GXVJ3 VN3N0 YU12005-13001D About this item 【Specification】Dell laptop Replacement Battery Type: Li-ion; Voltage: 14.8 V; Capacity 2600MAH/40WH; Cells:4-Cell 【Stability】M5Y1K Laptop Battery Replacement battery for Dell offers 500+ recharge cycles over life of battery 【COMPATIBLE MODEL】(Check description below for more models) Dell 40WH Standard Rechargeable Li-ion Battery Type M5Y1K 14.8V YU12005-13001D 453-BR GXVJ3 HD4J0 M5YIK MSY1K Dell Inspiron 14 15 3000 Laptop Replacement Battery 3558 3458 3567 3452 3565 3459 P60G Dell Inspiron 14 15 17 5000 Laptop Battery 5555 5558 5559 5755 5758 5458 Dell Vostro Laptop Battery 3558 3458 Dell Latitude Laptop Battery 3460 3560 【GUARANTEE】Our Dell M5Y1K replacement laptop battery is 100% Compatible with the originals. Complying with the CE/FCC/ROHS/UL Certified Standard
The Samsung 55″ OLED 4K S85F Vision AI Smart TV QA55S85FAEXTW delivers a premium home entertainment experience built on advanced OLED technology. It produces deep blacks, rich colors, and strong contrast, so movies, sports, and games look more realistic and immersive on the 55-inch screen. OLED technology controls each pixel individually, so every detail appears with high precision. This improves dark scenes by keeping blacks deep and detailed, while bright areas stay clean and accurate. As a result, the picture remains balanced in both bright and dark environments. Samsung Vision AI improves picture and sound in real time. It analyzes each scene and adjusts brightness, color, and sharpness automatically. Therefore, the Samsung 55 OLED S85F Vision AI Smart TV QA55S85FAEXTW always delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR expands contrast and color depth, making visuals more lifelike and dynamic. Fast motion also appears smoother and clearer, which improves sports and action viewing. The Smart TV system gives access to streaming apps, games, and smart home features. It runs smoothly and is easy to navigate. In addition, the slim design with thin bezels gives the Samsung 55 OLED S85F Vision AI Smart TV QA55S85FAEXTW a modern and premium look. Overall, this Samsung OLED TV combines strong picture quality, AI optimization, and smart connectivity for a high-end viewing experience. Specifications: OLED display delivers deep blacks and strong contrast 55-inch 4K screen provides immersive viewing experience Vision AI optimizes picture and sound automatically HDR improves brightness, contrast, and color depth Smart TV system supports apps, streaming, and smart features
lenovo battery L16L2PB2 L16M2PB1 L16S2PB2 L16C2PB2 Laptop Notebook Battery for Lenovo 5000-15 2ICP6/55/90 Series 7.4V 30Wh 4050mAh About this item Condition: New Voltage: 7.4V Capacity: 30Wh/4050mAh Replace Part Number: L16M2PB1 L16L2PB2 L16M2PB2 L16S2PB1 L16L2PB3 L16C2PB1 L17L2PF1 L17M2PB7 L16C2PB2 L16L2PB1 L16M2PB3 2ICP6/55/90 Fit For: Lenovo 5000-15 Series Raise the battery life: 1: After receiving the battery, Please charge it fully, discharge it to around 10, and do it three times. 2: If you don’t use the battery for a long time, please charge and discharge it once a month
lenovo battery L15L2PB4 L15L2PB5 Laptop Battery for Lenovo IdeaPad 310-15ISK 310-15IKB 310-15ABR 310-15IAP 310 Touch-15IKB/15ISK 510-15ISK 510-15IKB L15C2PB5 L15M2PB5 L15M2PB3 L15C2PB3 L15C2PB7 L15S2TB0 7.6V 30Wh About this item Battery type: Li-ion; Voltage: 7.6V/7.72V; Capacity: 30Wh/39Wh Compatible Models: Fit for Lenovo IdeaPad 510-15IKB/510-15ISK Series; IdeaPad 310 Touch-15IKB/310 Touch-15ISK Series; IdeaPad 310-15ABR/310-15IAP/310-15IKB/310-15ISK Series Replace Part Numbers: L15L2PB4 L15L2PB5 L15C2PB5 L15M2PB5 L15M2PB3 L15C2PB3 L15C2PB7 L15S2TB0 L15S2TBO 5B10K88299 8S5B10K88299 2ICP6/54/90 2ICP6/55/90 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity the device requires and how you use it.
