4 key 2.4GHz wireless mouse

wireless frequency 2.4GHz
wireless working channel 16
rated voltage 3.0V
resolution 500/1000
4 key 2.4GHz wireless mouse
1.wireless frequency  2.4GHz
2.wireless working channel  16
3.rated voltage   3.0V
4.resolution 500/1000 cpi
5.USB port 1.1 ver
6.NANO receiver hidden inside
7.Auto power saving
8.NANO receiver don't code ,plug and play
9.The newest optical Engine accurate  position ergonomics design with
confortable touch feeling;symmentrical shape suitable for left and right hand;
special lines on the side,anti-shipping oflong use; Battery inside to keep the
balance of weight and accuracy of speed.