2.4G Wireless Optical mouse (Middle size)

Wireless connection : Yes

Wireless range meter: about 10 meter

Battery operated :Yes

battery included :Yes

Battery type Type :2 AAA  (can use 3-5months)

Included receiver: Yes

Ambidextre :yes

ON/OFF Button: Yes

DPI adjustable :Yes,800-1200-1600

Optical sensor: Yes

Number of buttons Number: 4

Compatible with Windows 7 / 8 / 10, XP, Vista