<b>Features:<br> - Ergonomic design with fashionable appearance and comfortable feel<br> - Professional optical positioning technology, letting optical engine positioning more accurate and sensitive.<br> - Automatic connection, without cumbersome to code <br> - Built-in battery,can recharge directly by adaptor<br> - DPI:800DPI,1200DPI,1600DPI<br> - Wireless transmission frequency: Bluetooth 3.0<br> - Operating distance:10 meter<br> <b>Specifications:<br> - Product Size: 112(L) x 58(W) x 50(H) mm<br> - Product weight: 100g<br> <b>Compatible Systems: <br> Compatible with Windows XP, Linux,Windows 7,8,8.1,Android<br><br> <b>Package Contents:<br> - 1 x 1600DPI Wireless Mouse with built-in battery.<br> - 1 x Micro Usb charging cable<br> - 1 x User Manual<br><br>