Bluetooth Compliance  Bluetooth V1.2
Frequency Band  2.45 GHz ISM band
Channels  79 channels frequency hopping
TX Output Power  Class 2 (0dBm)
Receiver Sensitivity  Less than 82dBm typical Operating
Operating Range  Up to 10 meters (33 feet)
Operation Temperature  -10~60C
Security  Encrypted link
Typical Talk Time  Up to 4.5 hours
Typical Standby Time  Up to 120 hours
Typical Charging Time  Approximately 2 hours
Charging Interface  5.7V DC Adaptor
Indicator Light  Red and Blue LED light
Weight  12g
Pairing Mode  Point to Points
Microphone Type  Omnidirectional
Li-Battery  145mA 3.7V
Press key  CALL, VOL+, VOL-
Other Functions  Voice dialing
Chipset  CSR CLASS 2