Supports up to 7 slave devices – Windows 7/Vista/XP/2000/Me/98se with USB support – Mac OS X v10. 2 with USB support – Bluetooth 2nd 0 EDR – transfer rates (Max) – 3 Asymmetric 0Mbps – Frequency – 2400 to 2483rd 5 MHz for USA / Europe / Japan – Integrated Chip -80 dBm typical of passband under high interference environments – Range – Up to 30 feet (peer to peer)