... ; Smooth moving and high positioning precision; High-end mouse, shooting 1500 images per second. 1> Optical Tracking.2> With ergonomic design, wireless mouse lets you ... digital wireless transmissionTransmission distance10 metersColorAvailable in various colorsInput powerOnly need one No.7 batterySystem requirementsWindows98,ME,2000,XP,2003,X64,IBMReceiverUSB 2.0 2.4G ...