There are two modes, including bluetooth-compatible 5.1 and 2.4 G Wireless. With built-in 500mAh rechargeable battery, you can use it for long time after fully charged. Professional IC positioning accuracy makes it move smoothly. You can click mute button to choose the mute mode. This mouse has characteristic of 1600 DPI high resolution. It is compact, small and easy to carry, and it has stylish appearance. Item Name: Wireless Mouse Material: ABS Bluetooth: 5.0 Lifespan: 5 Million Times Work: Optical Battery: Built-in Rechargeable 500mAh Battery (Included) Rated Voltage: 3.7V Rated Current: 8mA Button: Three Buttons(Left Button, Right Button, Roller) and DPI Button Support System: for Windows 98/Me/2000/XP/Vista/Win7/8/10/Vista, for Mac OS Features: RGB Color, Mute, USB Rechargeable, 1600 DPI High Resolution USB Cable Length: 25cm/9.84" (Approx.) Mouse Size: 11.3cm x 5.8cm x 2.6cm/4.45" x 2.28" x 1.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Mouse 1 x USB Cable