Ergonomic wireless mouse - 2.4 GHz and BluetoothHours of working with the computer mouse can often cause an unnatural posture and pain. LogiLink's scientifically advanced and ergonomic computer mouse has natural hand positioning that reduces hand and wrist tension. The computer mouse has dual connection modes, which allows you to switch between 2.4 GHz wireless and Bluetooth 4.2. After 10 minutes of inactivity, the computer mouse automatically goes into sleep mode to save power.- 2.4 GHz technology- Bluetooth 4.2- Ergonomic design that adapts naturally to the hand - and wrist movements- Dual modes: 2.4 GHz wireless and Bluetooth 4.2- Automatically goes into sleep mode after 10 minutes of inactivity- Adjustable: 1200 dpi- Range: 6 -10m- 1x AA battery- Vertical scroll wheelColour:Black