SPECIFICATION:   BLUETOOTH VERSION：V2.1 EDR   FREQUENCY COVERAGE: 2.402~2.480 GHZ ISM BAND   SENSITICITY: -80DBM   WIRELESS TRANSMITTER STANDARD: CLASS 2 CHANNEL: 79 CHANNELS OF 1MHZ BW   TRANSMIT RANGE: UP TO 10M   TRANSMIT SPEED:

SPECIFICATION:   BLUETOOTH VERSION：V2.1 EDR   FREQUENCY COVERAGE: 2.402~2.480 GHZ ISM BAND   SENSITICITY: -80DBM   WIRELESS TRANSMITTER STANDARD: CLASS 2 CHANNEL: 79 CHANNELS OF 1MHZ BW   TRANSMIT RANGE: UP TO 10M   TRANSMIT SPEED: 57~723KBPS