**Frequency Range: 2.4GHz
**Output Power Category: Class 2
**Supported Bluetooth Profile: HSP/A2DP/AVRCP
**Bluetooth Range: Up to 33 feet
**Electric Voltage: DC 3.3V-4.2V
**Receiver Working Current: DC 4.2V / 20mA (MAX)
**Transmitter WorkingCurrent: DC 4.2V / 16mA (MAX)