Wireless, Bluetooth, Radio Frequency (RF - 2.4 Ghz/Low Latency), Handedness Right-handed, Tracking Method Optical, Number of Buttons (Total) 19, Number of Thumb Buttons 12, Number of Programmable Buttons 19, Designed for Game Genre MMO, Mouse Power Source Battery-powered, On/Off Switch, Rechargeable Battery (Mouse), Battery Type Lithium-ion