Type:2.4Ghz Wireless Interface Type:USB Power Type: AA*1 Battery(Not included) Number of Buttons:4 Application:Desktop, LAPTOP Hand Orientation:Both Hands Ergonomics:Yes Interface type:Wireless
Specification: Number of keys: 3 Wireless transmission frequency: 2.4GHz Ergonomics: Support Adjustable resolution: three levels (up to 1600 DPI) Wireless
made of high quality materials. 1200dpi, precise positioning, smooth operation Ergonomic design fits the palm, delicate hand feeling, comfortable to grip
made of high quality materials. 1200dpi, precise positioning, smooth operation Ergonomic design fits the palm, delicate hand feeling, comfortable to grip