Dynamic frequency response range10-22 k Hz
Driver sensitivity99dB/1kHz1mW
Maximum SPL109dB
Rated power input10mW
Microphone sensitivity-42dBV/Pa
Bluetooth transmitted power<4dBm
Bluetooth transmitted modulationGFSK pi/4, DQPSK, 8-DPSK
Bluetooth profilesA2DP V1.2, AVRCP V1.4, HFP V1.6
Battery type(3.7V, 340mAh)
Charging time2.5 hours