Forev Crossfire FV-133 Computer and Laptop Mouse with RGB Gaming Arc, Gaming Chipset, 1.5m USB Cable, 30 Million Read Button Life, Ergonomic Design for Home and Office Use, Reflective Cable/Black

Number of buttons : 4D 
Optical engine : Optical tracking 
Wired interface :USB 
Button life :3 million times 
Ergonomic :Support
Adjustable DPI :800/1200(DEF)/1600 
Voltage and current: 5V --100mA 
Mouse size: 128*63*38mm 
Mouse cord length: 1.5m 
Backlight: colorful breathing light