Wired
Special features:
4 buttons optical USB cable mouse 
800/1200/1600dpi adjustable
Interface USB port
Ergonomic and extreme comfortable design
Advanced optical sensor technology
High accuracy and reliability 
Smooth operation 
Works on most surfaces
Size: 106.4mm 60.8mm 39.5mm

Specification:
Resolution hardware: 800dpi/1200dpi/1600dpi
Comfortable shape for better handling
Optical Technology tracking,no cleaning is required
Compact design with comfortable firm grip
Button strokers life: 3 million cycles
Easy to install,plug & play
5VDC, 100mA (supplied by PC USB Port)

System requirements:
Window 10 or later 
Windows XP/Vista/7/8/10
Mac OS 10.5 or later
Chrome OS