Product specifications: Ergonomic: Yes Radio specification: 2.4 GHz Range: 10 meters Optical resolution: 800-1600 DPI Wireless carrier frequency: 2402 MHz - 2480 MHz Maximum acceleration: 2G Power consumption: 15 mA Supply voltage: 3 V DC Maximum acceleration: 35cm per second Effective distance: 10 meters Product size: 110 * 52 * 19 mm Interface type: USB Type: Optical mouse Connection: Wireless Product weight: 58 g How to use: 1. Find the Nano receiver from the back of the mouse 2. Plug the USB Nano receiver into your tablet USB port 3. Turn the mouse to "ON" position Package Includes: 1x Wireless Mouse 1x USB Receiver(Packed in the back of mouse) 1x Micro USB Charging Cable Ergonomic Design - This wireless mouse has cozy contours, rubber grip with texture keeps your hand comfortable after long hours. The USB receiver can be stored inside the back of the mouse. USB Rechargeable - Built-in rechargeable batteries, the wireless mouse can be charged through a micro-USB cable (fully charged for about 1.5 hours). Never again requires replaceable batteries, not need worry that the mouse has run out of energy. 2.4G Optical Mouse - 2.4G Transmission Technology, provides a powerful and reliable connection up to 10m, 3 adjustable DPI high performance optical chips, easily change the mouse sensitivity to suit your activity. Slim and Portable Design - Compared with the similar pieces on the market, our mouse is dramatically lighter and thinner. Perfect for Travelling carry and it can be easily put into your laptop bag and ultra-space saving. Compatible System - Wireless mouse is compatible with most systems, including Windows, Mac and Linux, is suitable for notebook, PC, laptop, computer, Macbook with type c receiver.