BluetoothMode:Stereocallsvibrationone with twovoice promptsFrequency range: 2402MHZ-2480MHZ Receiver sensitivity:-80dbm Wireless transmitterStandard: CLASS2 Transmission range: approximately10 mFrequency Response: 20HZ - 20KHZ SNR: 80dbm SpeakerOutput Power: 2 * 10mw Battery:
BluetoothMode:Stereocallsvibrationone with twovoice promptsFrequency range: 2402MHZ-2480MHZ Receiver sensitivity:-80dbm Wireless transmitterStandard: CLASS2 Transmission range: approximately10 mFrequency Response: 20HZ - 20KHZ SNR: 80dbm SpeakerOutput Power: 2 * 10mw Battery:lithium polymer battery150maHCharging time:3 hours Continuous talk: about 6 hours(battery is full) Standbytime: about100 hours(battery is full)