BluetoothMode:Stereocallsvibrationone with twovoice promptsFrequency range: 2402MHZ-2480MHZReceiver sensitivity:-80dbmWireless transmitterStandard: CLASS2Transmission range:approximately10 mFrequency Response: 20HZ - 20KHZSNR: 80dbmSpeakerOutput Power: 2 * 10mwBattery:lithium
BluetoothMode:Stereocallsvibrationone with twovoice promptsFrequency range: 2402MHZ-2480MHZReceiver sensitivity:-80dbmWireless transmitterStandard: CLASS2Transmission range:approximately10 mFrequency Response: 20HZ - 20KHZSNR: 80dbmSpeakerOutput Power: 2 * 10mwBattery:lithium polymer battery150maHCharging time:3 hoursContinuous talk: about6 hours(battery is full)Standbytime: about100 hours(battery is full)