1.Version 1.1 or 2.0
2.advanced anti-interference,connection distance of 6-10m
3.high-resolution 1000 DPI or 1600DPI
4.2.4G

1.Version 1.1 or 2.0
2.advanced anti-interference,connection distance of 6-10m
3.high-resolution 1000 DPI or 1600DPI
4.Bulit in USB ultra fine receiver,plug and play,no need to code,intelligent connection

5.3.0V or 1.5V

6Highly quality

7.2pcs of AAA alkaline battery can operate for more than 6 months

8.price reaonable