Description

Specifications:
1.***0CPI resolution, precise and high speed 
2.Wireless optical technology, youo can use it without the effect of the operational interface.
3.Auto sleep function ,long -life battery.
4.the intimate LED indicator light shows the state of power supply momentarily, save your worry. It can be sued on any kinds of surface except the glass. 
5.Akaline and rechargeable battery, economical and environmental .