Trust Oni Key Features Wireless Mouse 1200 dpi 3 Buttons Optical Tracking Up to 6 Month Battery Life Overview The Trust Oni is the perfect mouse for an office environment that is still incredibly affordable. The 1200 dpi optical sensor allows for quick yet precise cursor movements, and with an eight-metre wireless range you have the freedom to work how you like. The USB dongle can be kept in your device, or if you need to take it with you, it can be stored within the mouse, so no matter where you are you can plug in and get working. Specifications Design Ambidextrous Sensor Optical Tracking Resolution 1200 dpi Number of Buttons 3 Connectivity Wireless USB Dongle Wired/Wireless Wireless Rechargable No, removable battery Colour Black Dimensions 81 x 55 x 30 mm Weight 51g