Features:

1.Item type: Ergonomic Optical Mouse

2.Resolution: 800dpi;1600dpi;2400dpi.

3.Button: 4 buttons and 1 wheel (middle button)and dpi(adjusrable)

4.Wireless Technoloy: Bluetooth 3.0 connection

5.Maximum operating range: 10m

6.Rated voltage /current:3V/8mA

7.Power supply:2*AAA batteries(not included)

8.Color: Black,

9.Material: ABS

10.Button click life:8 Million times

11.Item size:13*6.5*7.7cm

12.Item weight:87g

13.Package size:15.5*8.5*8.4cm

14.Package weight:125g(Including the weight of the packaging box)

15.System Requirements: Windows 98/Me/2000/XP/Vista/ Win 7/Win8/win10 or latest.