Sandberg (630-06) Wireless Optical Mouse, 1600 DPI, 5 Buttons, Black, 5 Year Warranty     General: 2.4 GHz GFSK technology Working distance: 6-10 metres   Mouse: 5 buttons Wireless optical 1000/1200/1600 DPI Scroll wheel Requires 1 x AA battery   Receiver: USB interface     No cable clutter. Works instantly. …

Jedel W920 Wireless Optical Mouse, 1600 DPI, Nano USB, 3 Buttons, Black Sensor Type: Optical (1600 DPI) Buttons: 3 Buttons with scrolling wheel Click life: over 1,000,000 times Interface: USB Operating System: Win7/Win98/2000/ME/XP/VISTA/7/8/10, Linux, Mac OS, Android Description Specification Connection: USB Type: Optical Wireless/Wired: Wired Buttons: 3 buttons Resolution: 1600 DPI Colour: Black Size: Full-size …