Standard: Compliant with Bluetooth? Specification V2.0 + EDR
Profile Supported: Bluetooth? Headset & Hands-free profiles
Radio Frequency: 2402 MHz ~2480 MHz
Transmitter Power: Class 2
Receiver Sensitivity: -79 dBm
RF Output Power: + 4dBm

Operating Voltage: 3.7V
Operating Range: Up to 10 meters(30feet)
Audio amplifier: 0.3 watt
Charging Time: 2 hours
Standby Time: 120 hours
LED: One Color LED for Pairing/ Connection status
Frequency response: 50Hz to 20KHz