... Ergonomic comfort design Advanced 2.4 GHz wireless Intelligent battery management Blue, Orange, Rose ... Detection: Optical Resolution :1200DPIConnectivity Technology::2.4Ghz Wireless Connection:USB 2.0 RF Receiver (NANO)Battery ... 000Button:Two primary buttons, clickable scroll wheel, back/forward buttonsLogo:Silk/water transfer printingColors:Blue, Rose ... 5cm Specilize in 2.4G wireless mouse and Keyboard