A reliable pre-owned Dell Latitude 5400 with 14" display, 8th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for business users and students seeking solid performance, security, and durability in a compact form.
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.
The Arzopa A1 is an ultra-slim, lightweight 15.6-inch portable monitor engineered for seamless travel productivity and entertainment. Delivering crisp Full HD imagery on a premium IPS panel with integrated eye care features, it provides a hassle-free plug-and-play experience using dual full-function USB-C and Mini HDMI inputs. Complete with a built-in adjustable kickstand, it is the perfect dual-screen companion for laptops, smartphones, and gaming consoles. ✅ Full Specifications: Model: ARZOPA Type-C Portable Monitor (ARZOPA-A1) Interface / Connection: Multi-Port Input Panel: 2 x USB Type-C Full Function Ports (Supports concurrent video transmission, data, and power delivery) 1 x Mini HDMI Port (Video signal input only) 1 x 3.5mm Headphone / Audio Output Interface Interface / Connection: Multi-Port Input Panel: 2 x USB Type-C Full Function Ports (Supports concurrent video transmission, data, and power delivery) 1 x Mini HDMI Port (Video signal input only) 1 x 3.5mm Headphone / Audio Output Interface Performance / Screen Quality: Panel Type: IPS (In-Plane Switching) display with 178° wide viewing angles Resolution: Full HD 1920 x 1080p Refresh Rate: 60Hz Aspect Ratio: 16:9 Brightness: 300 cd/m² Contrast Ratio: 1200:1 Display Colors: 262K (8-bit) Color Gamut: 45% NTSC / 72% sRGB space coverage Performance / Screen Quality: Panel Type: IPS (In-Plane Switching) display with 178° wide viewing angles Resolution: Full HD 1920 x 1080p Refresh Rate: 60Hz Aspect Ratio: 16:9 Brightness: 300 cd/m² Contrast Ratio: 1200:1 Display Colors: 262K (8-bit) Color Gamut: 45% NTSC / 72% sRGB space coverage Display Technology: Features built-in HDR rendering technology to boost dynamic contrast alongside a Low Blue Light comfort filter to reduce eye fatigue. Audio: Dual built-in stereo speakers (1W x 2 configuration). Material & Build: Premium, durable metal housing constructed out of a sleek aluminum alloy framework. Design & Form Factor: Ultra-thin bezel layout boasting an integrated adjustable smart kickstand for multi-angle landscape deployment. Power Setup: Driverless plug-and-play architecture. Operates without an internal battery; runs on host device power distribution via USB-C or requires an external 5V/3A power input adapter. Compatibility: Fully compatible with MacBooks, Windows PCs/Laptops, Chromebooks, USB-C supported Android smartphones, and modern gaming consoles (Nintendo Switch, Xbox Series X/S, PS4, PS5). Dimensions: Approx. 355.6 x 220.9 x 9.14 mm (Ultra-slim 0.36-inch profile) Weight: Approx. 725 to 735 grams (1.6 lbs lightweight chassis)
Apple MacBook Pro 16” (2019) — professional-grade power and stunning Retina display.• Intel Core i9 • 32 GB RAM • 500 GB SSD • 4 GB Dedicated GraphicsRetina Display | macOS |
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:
The Cudy M1200 AC1200 Mesh WiFi System provides seamless whole-home coverage with stable dual-band speeds up to 1200Mbps. Designed to eliminate dead zones, it delivers smooth roaming, strong signal performance, and reliable connectivity for homes and offices. AC1200 Dual Band WiFi – Combined speeds of up to 1200Mbps (300Mbps on 2.4GHz + 867Mbps on 5GHz) for streaming, browsing, and gaming. Whole-Home Mesh Coverage – Multiple units work together to create a single seamless network, eliminating WiFi dead zones. Seamless Roaming – Automatically connects your devices to the strongest signal as you move around your home. Gigabit Ethernet Ports – High-speed wired connections for smart TVs, gaming consoles, and PCs. Easy Setup & Management – Quick installation and control through a user-friendly interface or mobile app. Flexible Expansion – Easily add more mesh units to extend coverage anytime. Stable & Reliable Performance – Designed for multiple connected devices with consistent speed and signal strength. Gigabit Ethernet Ports (WAN/LAN) Dual Band WiFi (2.4GHz & 5GHz) Mesh Networking Technology WiFi Roaming Support Wireless Security (WPA/WPA2)
CS03XL Battery for HP Elitebook 745 755 840 848 850 G3 G4, ZBook 15u G3 G4 Laptop, P/N: HSTNN-UB6S HSTNN-IB6Y 800231-141 800513-001 800231-1C1 CS03046XL About this item Battery type: Li-ion ‖ Capacity: 46Wh ‖ Voltage: 11.4V Replacement Battery for HP Elitebook 745 G4 G3, Elitebook 755 G4 G3, Elitebook 840 G4 G3, Elitebook 848 G4 G3, Elitebook 850 G4 G3, ZBook 15u G4 G3 Mobile Workstation. Compatible P/N: 800231-141, 800513-001, CS03XL, CS03, HSTNN-UB6S, HSTNN-IB6Y, HSTNN-I33C-4, HSTNN-I33C-5, HSTNN-I41C-4, HSTNN-I41C-5. Built-in circuit protection ensures both safety and stability. Overcharger and Discharger Circuit Protection.
Brand-new UK-layout keyboard replacement (Z1 Black) for MacBook Air models with M2, M3, and M4 chips (13.6″ and 15″, 2023–2025). Compatible with A2681 and A2941—precision-engineered for seamless fit and reliable typing performance. This is a brand-new, high-quality keyboard replacement designed specifically for the latest MacBook Air models featuring Apple’s M2, M3, and M4 chips (released 2023–2025). It fits both the 13.6-inch (Model A2681) and 15-inch (Model A2941) MacBook Air variants and comes in the sleek Z1 Black (Space Black) finish with a UK English layout (including the £ symbol and correct key positioning). Engineered to match Apple’s original specifications, this keyboard ensures a responsive, quiet, and comfortable typing experience with consistent key travel and tactile feedback. It includes the full top case assembly with integrated backlighting, function keys, and Touch ID sensor cutout (sensor not included), making it ideal for professional repairs or replacements after liquid damage, wear, or key failure. Installation requires technical expertise and proper tools due to the integrated nature of the MacBook Air’s top case design. Recommended for certified technicians or experienced repair professionals. Important Notes: This is a keyboard + top case assembly, not just keycaps. Touch ID sensor is not included—you must transfer your original sensor to maintain functionality. Compatible only with MacBook Air M2 (2022–2023), M3 (2023–2024), and M4 (2024–2025) models in 13.6″ (A2681) and 15″ (A2941) sizes. Color: Z1 Black (Space Black) – matches official Apple Space Black finish. Layout: UK English (ISO) – features the correct “£” key and shifted Enter key.
BATTERY DELL 93FTF Laptop Battery Compatible with Dell Precision15 3520 3530 Dell Latitude12 5280 E5280 Latitude E5280 E5480 E5580 E5490 E5590 E5480 E5290 E5591E5491 Series D4CMT 4YFVG 83XPC 083XPC 11.4V 51Wh About this item Battery Type:3cell Li Polymer Best Quality Voltage &Capacity :11.4V 51Wh 4254MAH Safeguard features against incorrect voltage, short circuit, internal overheating 100% Brand new ,Grade A cells battery; Quality assurance;every battery has passed factory testing; 500+ recharge cycles over
Genuine-spec US layout keyboard replacement for MacBook Pro (Model A1398, Late 2011–Mid 2012)—featuring durable scissor-switch keys, backlighting, and OEM-fit design for reliable typing and straightforward installation. Compatible With: MacBook Pro 13″: Late 2011 (Model A1278, but labeled A1398 in some regions) – Model Identifier MacBookPro8,1 MacBook Pro 15″: Early 2011, Late 2011, and Mid 2012 – Model Identifiers MacBookPro8,2 (15″ early/late 2011) and MacBookPro9,1 (15″ mid 2012) *(Note: “A1398” is primarily associated with the 15″ unibody MacBook Pro with Retina display (Mid 2012), which was the first Retina MacBook Pro.)* This keyboard fits the non-Retina 15″ A1398 (Mid 2012) and compatible Late 2011 models. MacBook Pro 13″: Late 2011 (Model A1278, but labeled A1398 in some regions) – Model Identifier MacBookPro8,1 MacBook Pro 15″: Early 2011, Late 2011, and Mid 2012 – Model Identifiers MacBookPro8,2 (15″ early/late 2011) and MacBookPro9,1 (15″ mid 2012) *(Note: “A1398” is primarily associated with the 15″ unibody MacBook Pro with Retina display (Mid 2012), which was the first Retina MacBook Pro.)* This keyboard fits the non-Retina 15″ A1398 (Mid 2012) and compatible Late 2011 models. Layout: Standard US English (QWERTY) with full-size keys, inverted-T arrow keys, and dedicated function row (F1–F12). Keyboard Type: Traditional scissor-switch mechanism—robust, tactile, and serviceable (pre-Butterfly era). Integrated Features: Backlit keys (adjustable brightness via F5/F6) OEM ribbon cable with ZIF connector Matches original key spacing and actuation force Backlit keys (adjustable brightness via F5/F6) OEM ribbon cable with ZIF connector Matches original key spacing and actuation force Build & Fit: Precision-molded plastic frame with exact screw mounts and alignment pegs—ensures secure, rattle-free installation in the top case. Installation Note: Keyboard is secured with screws and minimal adhesive. Requires full top case access and battery disconnect. Recommended for intermediate to advanced users or technicians.
The Mortal T1 Mini is an ultra-compact, budget-friendly Android TV box designed to turn any standard HDMI television into a smart entertainment platform. It features 4K hardware decoding, dual-band Wi-Fi, and a voice-controlled remote, providing a smooth and responsive experience for local IPTV, YouTube, and mainstream streaming applications. ✅ Full Specifications: Model: Mortal T1 Mini 4K Smart Media Player Interface / Connection: Wi-Fi: Dual-Band (2.4GHz / 5GHz) 802.11n Bluetooth: BT 5.0 (Supports wireless remotes, headphones, and controllers) Wired Network: 1 x 10/100Mbps Ethernet LAN Port (Note: Available on standard mini casing configurations) Input/Output Ports: 1 x HDMI Out, USB Ports, 1 x TF/microSD Card Slot, 1 x DC 5V Power Interface / Connection: Wi-Fi: Dual-Band (2.4GHz / 5GHz) 802.11n Bluetooth: BT 5.0 (Supports wireless remotes, headphones, and controllers) Wired Network: 1 x 10/100Mbps Ethernet LAN Port (Note: Available on standard mini casing configurations) Input/Output Ports: 1 x HDMI Out, USB Ports, 1 x TF/microSD Card Slot, 1 x DC 5V Power Performance / Hardware: CPU: Allwinner H313 Quad-Core ARM Cortex-A53 (up to 1.5GHz) (Also distributed in select regional batches with Rockchip quad-core architectures) GPU: Mali-G31 MP2 / Mali-450MP Graphics Engine Resolution Output: Native HDMI 2.0 supporting up to 4K @ 60Hz Video Decode Formats: 4K Ultra HD hardware acceleration decoding including H.265 HEVC, H.264, VP9, and 3D video support High Dynamic Range (HDR): Supports HDR10+, HDR10, and HLG profiles Performance / Hardware: CPU: Allwinner H313 Quad-Core ARM Cortex-A53 (up to 1.5GHz) (Also distributed in select regional batches with Rockchip quad-core architectures) GPU: Mali-G31 MP2 / Mali-450MP Graphics Engine Resolution Output: Native HDMI 2.0 supporting up to 4K @ 60Hz Video Decode Formats: 4K Ultra HD hardware acceleration decoding including H.265 HEVC, H.264, VP9, and 3D video support High Dynamic Range (HDR): Supports HDR10+, HDR10, and HLG profiles Capacity / Memory Options: 2GB RAM + 16GB eMMC Internal Flash Storage (Storage expandable up to 256GB via TF card slot or external USB drive) Material & Build: Durable, matte plastic compact shell engineered with passive thermal management to maintain low operational temperatures Design & Form Factor: Pocket-sized, ultra-light mini layout designed to easily fit behind wall-mounted or desktop televisions Security & Software: Operating System variants run customized, stable Android TV distributions (Android 13 / Android 14) optimized for app longevity, security patch support, and easy layout control Voice Assistant: Includes an ergonomic voice remote control featuring an integrated microphone button for hands-free Google Assistant commands and quick navigation Compatibility: Fully compatible with major applications like YouTube, Netflix, Disney+, Prime Video, various IPTV clients, and Screen Mirroring Cast protocols Dimensions: Approx. 77 x 77 x 12 mm (May vary slightly up to 88 x 88 x 18 mm depending on exact regional shell style) Weight: Approx. 0.25 to 0.35 kg
Specifications Weight (g) 750 Depth (mm) 500 Width (mm) 140 Height (mm) 190 Input/Output Other Battery Capacity (mAh) 8000 Sound Mode Other Category Speakers Use HOME Input Power (W) <25 W Voice Control No Waterproof No Support APP No Playback Function MP3 Remote Control No Intelligent Personal Assistant None Display Screen Yes Built-in Microphone No Audio Crossover Two-Way Number of Loudspeaker Enclosure 1 Power Source Battery Channels 2 (2.0) Feature Wireless Charger for Mobile Phone Battery Yes Communication Bluetooth Speaker Type Portable Cabinet Material Plastic Brand Name RNABAU Model DB Origin Mainland China Certification CE Type1 Caixa De Som Type2 HiFi Wireless Bluetooth Speaker Type3 Mobile Phone Charger Type4 Alarm Clock Speaker Type5 FM Radio Soundbox Type6 Vintage Bluetooth Speaker Type7 Home Stereo Audio Set
WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable - Silver WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable – Silver
PCE 900 M8 900VA 480W Output Power: 700VA (M8 700), 900VA (M8 900) Voltage Input Range: 220-240 VAC with 102 wires (M8 700), 140-300 VAC (M8 900) Output Protection: Overload, discharge, and overcharge protection (M8 700), Fault protection (M8 900) Waveform: Simulated Sine Wave LED Indicators: Green lighting (M8 700), Green flashing (M8 900) Frequency: 50 or 60 Hz +/- 10% (auto sensing) (M8 700), 50 or 60 Hz +/- 1% (M8 900) Voltage (backup mode): 12V/9AH x 1 (M8 700), 12V/7AH x 1 (M8 900) Frequency (backup mode): 50 or 60 Hz +/- 1% (M8 700 and M8 900) Transfer time (M8 700): Typical 2 to 6 ms Backup time (M8 900): 10-20min depending on load level Net Weight: 4.3 kg (9.46 lbs) (M8 700), 4.8 kg (10.56 lbs) (M8 900) Output Receptacles: Universal sockets x 2 or German x 2 (M8 700), Universal sockets x 4 (M8 900) Audible Noise: Sounding every 10 seconds (M8 700), Sounding every second (M8 900) Dimensions: 100x278x140 (3.9″x10.8″x5.5″) (M8 700), 130x320x182 (5.07″x12.48″x7.1″) (M8 900) Compatibility: Windows 2000/XP/2003/2008/Vista/7, NOVELL, LINUX, UNIX (M8 700), Optional Interface with power management software (M8 900) Certifications: EN 50091-1-1/EN 69050 (RD), IEC 60950, TUV GC-Mark, EN 50091-2, EN 50022/B, IEC 62040-2, IEC 61000-3-2, IEC 61000-3-3, ISO 9001, ISO 14001 (M8 700 and M8 900)
The SHL-R320 is a high-speed, dual-protocol M.2 SSD external enclosure featuring a durable aluminum casing for excellent heat dissipation. Supporting both NVMe and SATA protocols, it provides an easy, pocket-sized solution to convert internal solid-state drives into ultra-fast portable storage. ✅ Full Specifications: Model: M.2 SSD Hard Drive Enclosure Case (SHL-R320) Interface: USB 3.1 Gen 2 Type-C (Backward compatible with USB 3.0 / USB 2.0) Protocol Support: Dual Protocol — Supports both NVMe PCIe (M-Key / B+M Key) and NGFF SATA (B+M Key) Transmission Speed: NVMe: Up to 10Gbps SATA/NGFF: Up to 6Gbps Transmission Speed: NVMe: Up to 10Gbps SATA/NGFF: Up to 6Gbps Drive Size Compatibility: Supports M.2 SSD sizes 2230 / 2242 / 2260 / 2280 Capacity Support: Supports up to 2TB (and higher depending on drive configurations) Material: Premium Aluminum Alloy shell for enhanced durability and thermal cooling Design: Slim, compact, and lightweight pocket-sized form factor Features: Tool-free/screw installation layout (varies by kit variation) and built-in UASP protocol support for accelerated transmission. Compatibility: Windows 11 / 10 / 7, macOS / iOS, Linux, Android (with OTG support), and Smart TVs Dimensions: Approx. 119 x 38 x 13 mm
The Meetion C235 is an economical wired keyboard and mouse combo featuring a full-size 104-key layout and reliable USB connectivity. Designed for business and office use, it offers comfortable typing, smooth mouse control, and plug-and-play compatibility with laptops and desktops. The Meetion C235 Keyboard & Mouse Combo is a practical and cost-effective solution for everyday office and business needs. With a full-size 104-key keyboard, it provides a familiar and comfortable typing experience, making it perfect for work, study, and daily computer use. The included wired mouse ensures precise and smooth control, while the USB plug-and-play setup makes installation quick and effortless on both laptops and desktop PCs. Full-Size 104-Key Keyboard for comfortable and efficient typing Wired USB Connection for stable, lag-free performance Plug & Play – no drivers required Comfortable Key Layout ideal for office and business work Smooth Wired Mouse Included for accurate control Durable Design suitable for long working hours Compatible with Laptop & Desktop PCs Economical Combo Set perfect for home or office setups Ideal for business offices, schools, home setups, and laptop users who need a reliable keyboard and mouse combo for productivity. Works with most computers and laptops supporting USB.
The Dell OptiPlex 7050 Micro combines compact design and solid performance with an Intel Core i5 6th Gen processor, DDR4 RAM options, and SSD storage options. Ideal for business and home use, it delivers reliable speed, energy efficiency, and space-saving desktop performance.
Digital Device Laptop Keyboard Compatible for MacBook AIR 13″ A1369 A1466 (MID 2011- MID 2017) US Layout 【Unique】Pls see detail compatible models in description below. 【Safe】Easy for you replace your faulty, cracked or broken keyboard ,seller remind that you should replace the keyboard in the off state. All pictures are taken from the real item, please check carefully before bidding, Replacement and high quality, Replace your faulty, cracked or broken keyboard. Each keyboard is tested before shipping Compatibility: MacBook Air 13″ A1369 Mid 2011: MC965LL/A (1.7 GHz Core i5) Mid 2011: MC966LL/A (1.7 GHz Core i5) Mid 2011: MD226LL/A (1.8 GHz Core i7) Compatibility: MacBook Air 13″ A1466 Mid 2012: MD231LL/A (1.8 GHz Core i5) Mid 2012: MD232LL/A (1.8 GHz Core i5) Mid 2012: MD232LL/A (2.0 GHz Core i7) Mid 2013: MD760LL/A (1.3 GHz Core i5) Mid 2013: MD761LL/A (1.3 GHz Core i5) Mid 2013: MD761LL/A (1.7 GHz Core i7) Early 2014: MD760LL/B (1.4 GHz Core i5) Early 2014: MD761LL/B (1.4 GHz Core i5) Early 2014: MD761LL/B (1.7 GHz Core i7) Compatibility: Early 2015: MJVE2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7) Early 2015: MJVG2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7) Identifying Numbers APN #: 661-6059, 661-6635, 661-7480
A high-performance pre-owned Dell Precision 5540 mobile workstation with 15.6" 4K touchscreen, 9th Gen Core i7, 16GB RAM, 256GB SSD, and NVIDIA Quadro T2000 4GB—engineered for creative professionals, engineers, and designers who demand power and precision.
FAVOURITE WIRELESS COMBO MK270 Wireless Combo brings together the convenience and comfort of a full-sized keyboard with a sculpted, compact mouse. With media keys, a number pad and precise cursor control to make your work a whole lot smoother. Plus, the lag-free wireless makes setup easy and saves space on your desk. No wonder this is the world best selling combo!7Based on independent sales data (in units) including all the models of the MK270 family for wireless combo aggregated from major global markets including Canada, China, France, Germany, Indonesia, Republic of Korea, Russian Federation, Sweden, Taiwan, Turkey, UK, US (Nov'19 - Nov'20 period). Retail channel only. FAVOURITE WIRELESS COMBO MK270 Wireless Combo brings together the convenience and comfort of a full-sized keyboard with a sculpted, compact mouse. With media keys, a number pad and precise cursor control to make your work a whole lot smoother. Plus, the lag-free wireless makes setup easy and saves space on your desk. No wonder this is the world best selling combo!7Based on independent sales data (in units) including all the models of the MK270 family for wireless combo aggregated from major global markets including Canada, China, France, Germany, Indonesia, Republic of Korea, Russian Federation, Sweden, Taiwan, Turkey, UK, US (Nov’19 – Nov’20 period). Retail channel only. Height: 5.87 in (149 mm) Width: 17.36 in (441 mm) Depth: 0.71 in (18 mm) Weight: 17.57 oz (498 g) Height: 3.90 in (99 mm) Width: 2.36 in (60 mm) Depth: 1.54 in (39 mm) Weight: 2.65 oz (75.2 g) Height: 0.74 in (18.7 mm) Width: 0.57 in (14.4 mm) Depth: 0.26 in (6.6 mm) Weight: 0.07 oz (2 g) Spill-resistant design 2Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid. Adjustable keyboard height 10-Key Number pad Key type: deep profile Caps lock indicator light On/Off power switch 2 AAA batteries（Alkaline Battery） Battery life: 36 months 3Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions. Sensor technology: Smooth Optical tracking Number of buttons: 3 (Left/Right-click, Middle click) Scrolling: line-by-line Scroll Wheel: Yes, 2D, optical Connect/Power: On/Off power button 1 AA battery（Alkaline Battery) Battery life: 12 months 4Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions. Mouse plastics: 49% post-consumer recycled material 5Excludes plastic in printed wiring assembly (PWA), receiver and packaging. Keyboard plastics: 54% post-consumer recycled material 6Excludes plastic in printed wiring assembly (PWA), receiver and packaging. An available USB port ChromeOS Windows 10,11 or later
