DELTACO Wireless Optical Mouse, 1000 DPI, 125 Hz, 3 Buttons with Scroll, 2.4GHz USB Nano Receiver, Black A wireless mouse with an optical sensor, with the USB nano receiver this becomes a handy accessory to use both in the office and on the go. • 125 Hz • 1000 DPI • 10m range • 3 buttons with scroll • 2.4 GHz USB Nano receiver • Weight 70g with battery Powered by 1xAA battery (not included). Dimensions (WxDxH): 106x61x37mm. The package contains: Wireless mouse, USB nano receiver.