Type: wireless mouse 
 Mouse size: mouse (≤100mm) 
 Connection with computer: wireless 
 Optical resolution: 1600dpi (dpi) 
 Number of keys 4 (keys) 
 Interface: USB 
 Wireless transmission frequency: 2.4GHz 
 Adjustable resolution: three gears and below 
 Operating distance: 10 (m) 
 Working method: photoelectric 
 Wheel direction: four-way wheel