Astrum Combe Freedom Wireless Gaming Keyboard and Optical Laser Mouse Combo w 2.4GHz FSK Auto-Link Technology Easy access media keys for convenient volume control and media playback 9 Multimedia keys to ease work & entertainment and Auto power saving for long lasting batteries Gaming style keyboard and 5 Buttonsmouse with two funtions buttons on the side Mouse frequency 1000 / 1600 DPI and Nano Wireless receiver upto 10 meters Made for PC gaming: Compatible with Windows 8, Windows 7, Windows Vista, or Windows XP