Main Features: ● 9 programmable keys ● 6400 DPI optical sensor ● Featuring 5 million-press life micro switch ● Independent aiming key design for snipping or high-precision mouse operation ● Nylon braided cable, flexible to move, wear-resistant ● Compatibility: Win 2000 / XP / ME / Vista / 7 / 8 / 10, Android, Linux, iP mobile phone system, iP computer system, etc. ... Learn More