Bluetooth Version: V1.2 Profiles: Headset, Handsfree, A2DP Class: 2 Operation Range: 10 Meters Talk Time: 6 Hours Listen Time: 6 Hours Standby Time: 150 Hours Compatibility/Pairing: All Bluetooth devices V1.2 and under Power Source: B... - Update: 2007-10-26

Collar pin style and single audio heaset Plug-and-play and simple pairing for easy use Solutions for superior sound quality Better interference resistance via the use of Bluetooth technology Supports wireless audio streaming and headset / han... - Update: 2007-10-26

Comfortable fit; solid build. Standby time up to 100 hours Super wide compatibility Bluetooth technology, compliant with Bluetooth specification v1.1 Environment, operating temperature: -20 to 60 deg C - Update: 2007-10-26

Patent and comfortable design One button can supports answer/ring/end etc operation, more convenient Wireless connectivity up to 10 meters (30 feet) Compliant with Bluetooth 1.2 Wireless Version Can adjust the direction of profile, Can be wor... - Update: 2007-10-26

Bluetooth Version: CSR 2.0 Profiles: Handsfree Class: 2 Operation Range: 5~8 Meters Talk Time: 5 Hours Listen Time: 5 Hours Standby Time: 160 Hours Compatibility/Pairing: All Bluetooth devices V2.0 and lower Power Source: Built-in Li-... - Update: 2007-10-26