This is the Hama Wireless Optical Mouse AM7300 [86537] This optical 3-button mouse picks up slight movements and allows accurate control and it has a separate on/off switch allows for energy-saving use of the mouse. Contains storable USB receiver can be transported inside the mouse to save space. 2.4 GHz radio technology for a reliable, interference-free and fast signal transmission with a range of up to 8 m The ultra-small USB receiver can be permanently installed in a notebook or PC and it is also suitable for left and right-handed users. Highlights This optical 3-button mouse picks up slight movements and allows accurate control Separate on/off switch allows for energy-saving use of the mouse Storable USB receiver can be transported inside the mouse to save space 2.4 GHz radio technology for a reliable, interference-free and fast signal transmission with a range of up to 8 m The ultra-small USB receiver can be permanently installed in a notebook or PC Suitable for left and right-handed users System Requirements: Operating system: Windows XP/Vista/7/8 What"s in the Box 1 AM-7300 wireless optical mouse 1 receiver Batteries Operating instructions Technical Details Connection Wireless Connection USB-A Plug Model Compact Mouse Number of Mouse Buttons 3 Buttons incl. Scroll Wheel Scroll Function Scroll Wheel Sensors Optical Width x Depth x Height 6.4 x 10.2 x 3,4cm Resolution 1000 dpi Colour Black ...Contact us if you need more help.