CAREFREE AND COMFORTABLE USE Natec Stingray is a wireless 2in1 set designed for office and home use, which provides carefree and comfortable using. The set includes a slim keyboard with a low key stroke and an ergonomically shaped mouse equipped with 6 functional buttons. Length: 418 mm Width: 119 mm Height: 27 mm Number of keys: 108 Number of multimedia keys: 4 Coverage: 10 m Resolution: 800 - 1600 DPI Number of buttons: 6 Key mechanism: Membrane Sensor: Optic Specialized: Universal Multimedia keys: Yes Backlight: No Included Accessories: Mouse, Keyboard Connectors: USB 2.0 Communication: Wireless 2.4 GHz Power supply: 1xAA , 2xAAA Colour: Black Supported Operating Systems: Android 4.2.2 Linux Win. 7 Win. 8 Win. Vista Win. XP Windows 10 Profile: Low