Driver Unit: Φ10mm
Impedance: 32ohms
Sensitivity: 115±2dB S.P.L. at 1KHz
Frequency Response: 20Hz-20,000Hz
Max. Input Power: 100mW
Version: 4.0+EDR
Bluetooth Class: II
Mono/ Stereo: Stereo
Chipset: CSR
Battery: built in lithium battery
Microphone: built in Mic
Charging Time: 3 hours
Talk Time: 8 hours