ISDB-T USB Dongle - Free TV On Your Computer Dimensions: 19 (H) x 62 (W) x 9 (D) mm Computer Connection: USB 2.0;One Seg MPEG Type: Supports MPEG-2 and H.264/MPEG-4 AVC Compatible Computer Systems: Windows 2000/XP/Vista/Windows7 (32 bit only) Certifications: FCC, CE, ROHS