Mice & Trackballs 6747 Computer Wirele Mouse Ergonomic Silent Mouse Wirele Optical Mice with USB Receiver 6 buttons 2.4G USB Mause For PC Laptop Item Name: 2.4G Wirele MouseButtons: 4 ButtonsAjustable DPI Switch: 800-2000DPIVerison: Silent(Mute) / Sound Color: Black / Gray / Green / RedWiFi Range: 10MBattery: 2 * AAA battery 1.5V NOT work with 1.2V (Not Included)Key Life: 10 million times Size: 115*80*40mmCompatible : Windows / VISTA / MAC... 1. [2.4G Reliable Wirele Mouse]-2.4GHz transmiion technology can provide stable anti-interference transmiion, and ensure you enjoy wirele freedom, just plug and play, no drivers or software. 2.4GHz technology can ensure a firm and reliable connection within a working range of 10 meters.2. [Mute, adjustable DPI]-The responsive button provides a very soft click, while reducing noise, allowing you to focus on work without disturbing others. DPI (800-2000) is adjustable, you can control the speed of the mouse more freely and operate more accurately.3. [Long battery life]-Only 2 AAA batteries are required, but this battery is not included. The wirele mouse will enter sleep mode after 10 minutes of inactivity to save energy and can be easily activated by clicking any button. Button, you can turn off the mouse to save energy.4. [Wide compatibility]-Fully compatible with Windows 7/8/10/XP, Vista 7/8 and Linux. Suitable for desktop, laptop, PC, Macbook and other devices. Note: The USB Nano receiver is stored in the battery slot.