Zoom 4314 USB 1.1 Thumbnail-sized Class 1 Bluetooth 2.1 + EDR Adapter Bluetooth Standards: Bluetooth v2.1+EDR Transfer rate: 3 Megabits per second (DPSK), 2 Mbps (p/4-DQPSK), 1 Mbps basic rate (GFSK) Antenna: Integrated Antenna Range: 100 meters (330 feet) Transmission Power: Class 1 Voltage: 5V Radio Frequency: 2.4 GHz - 2.4835 GHz Operating Systems Supported: Windows Vista, XP, 2000, Macintosh OS 10.3 or higher
