Typhoon TI021 Ergonomic Wireless and Bluetooth Mouse (Dual Mode: 2.4 GHz + 4.2) with 1200 dpi/Sleep Mode/On/Off Button Black

Ergonomic design fits the natural shape of the hand and wrist Dual connection mode: 2.4GHz radio and Bluetooth 4.2 Automatically switches to sleep mode after 10 minutes of inactivity, saving energy On/Off switch - Resolution: 1200 dpi - Range: 6-10m Vertical scroll wheel - 1x AA battery (included), colour: black.