Enjoy a cable free work environment with this Rapoo MT550 Multi-Mode Wireless Optical Mouse.The main feature of multi-mode wireless connection via Rapoo\'s reliable 2.4 GHz wireless transmission, Bluetooth 3.0 or Bluetooth 4.0 is it allows you to connect simultaneously connect to up to 4 devices and change among them in seconds.MT550 also features a fully adjustable high-performance optical sensor from 600 to 1600 DPI. To enjoy MT550 without interruption for as long as possible, it also offers up to 12 months battery life and a power button.. Connect via Bluetooth 3.0, 4.0 and 2.4 GHz. Up to 10 m2 range & 360 degree coverage. Connect simultaneously to up to 4 devices. Instantly switch among 4 connected devices in one click. Fully adjustable 1600 DPI sensor. Approximate dimensions (mm) H 186 W 137 D 52. Weight 238G