... Keyboard 1)Size:20 * 7.4 * 2.4cm 2)Weight:130g 3)With USB Dongle 4)FCC, CE, RoHS 2.4G Wireless Mini Universal Remote Control ... -2480MHzCertificates: FCC, CE, RoHSControl distance: up to 10mSystem requirement: Windows 2000/XP/Vista/7/Mac OS/Linux/AndroidApplication: PC, TV, DVD, Set-top-box, etc ...