Mice & Trackballs Professional manufacturer of keyboard and mouse, available in a variety of colors, featuring ergonomic design with an arc shape that fits the palm comfortably. Ideal for use with modern colored notebooks, compact and lightweight for easy portability without taking up space. Utilizes high-frequency optical positioning technology, compatible with any desktop surface. Wireless 2.4G connectivity with plug-and-play functionality, offering a reliable operating range of up to 10 meters, eliminating the constraints of wired connections.1. Built-in receiver for easy storage and convenience; 2. Plug and play ensures stable and accurate performance; 3. Features frosted material for enhanced grip, with a lightweight and durable design; 4. Designed to fit the natural shape of the palm, providing a comfortable grip that helps reduce hand fatigue; 5. Power-saving mode: automatically enters standby when idle (standby current: 0.4mA), and sleep mode after 15 seconds of inactivity (sleep current: 0.08mA); activation via movement; 6. Optical engine delivers a smooth tracking experience; 7. Tested for over 20,000 hours of usage, ensuring long-term product reliability.Product Parameters: - Number of Keys: 3 - Product Size: 112 x 55 x 36 mm - Color: Multi-color options available - DPI: 1600 - Material: ABS - USB Connector: Standard USB - Operating Voltage/Current: DC 5V, 100mA - Working Temperature and Humidity: -30C to 60C, humidity 85% RH - Click Life: 1 million cycles - Switch Life: 5 million cycles - Maximum Acceleration: 14 inches/second - Key Force: 605gf (operating), 8020gf (actuation) - Working Group Frequency: 16 channels with automatic frequency hopping; Wireless carrier frequency: 2402MHz2480MHz - Sensor Type: Optical - Compatible Operating Systems: Windows 2000/2003/XP/Vista/Win7/Linux/WinCE (5.0, 6.0)/Android (2.1, 2.2, 2.3, 4.0)/Mac - Quality Assurance: 3-month replacement and 1-year warranty (covering non-human damage) - Certifications: CE, FCC, RoHS This mouse includes a built-in receiver no driver installation or pairing required. Instructions: 1. Open the battery compartment and insert the battery, observing correct polarity. 2. Press the white arrow on the bottom to release the receiver. Insert the receiver into the computers USB port, ensuring a secure connection. The mouse red light will illuminate and the receiver indicator will flash, prompting new hardware detection on screen. 3. Wait 35 seconds for the cursor to appear, indicating normal operation. 4. Mouse DPI: 1600, meeting standard resolution requirements for everyday use.