Lychee 2.4G wireless intelligent voice translation mouse,10m effective distance Ergonomic design: Feel comfortable Appearance: fashion, light and convenient Voice input, multiple languages real-time translation, search, conversion Mini wireless receiver System support?Windows 7/ 8/ 10 Compatible devices?PC, Laptops, Tablets, Smart phones Battery?1.5V*1 AAA (battery not included) Button number?4 RF frequency?2402 MHz - 2480 MHz Tracking system?optics Maximum acceleration?14inches/seconds DPI ?1200 Package: 1 * Pen Mouse 1 * USB 2.4GHz Receiver 1 * Mount 1 * English Manual