USB folding Wireless Optical Arc Mouse

Description:2.4G Hz Free moving in a maximum distance of 10 metersChangeable resolution: 1600 dpiKey's life: over 1,000,000 timesNano receiver hidden in the button of the mouse.Scroll up and down directly without moving your handsCover with mouse ON/OFF function.Rated Voltage: 3VRated Current: 13mAMeasurements: 85mmX50mmX30mmPowered by: 2*AAA batteriesColor: Black,Red,Blue,Silver,Gray. (Please choose the colors you prefer when payment,or email us about the colors you prefer.If you don't note the colors,we will choose the colors by ourself)It save half space by folding up. After being folded up, the mouse shut up automatically and can be carried in your bag/ hand bag conveniently. Package included:1x 2.4G wireless mouse