Bluetooth Protocol A2DP,AVRCP,HFP
Playback time about 12 hours (earbuds) + 30 hours (charging case)
Charging time about 1.5 hours (earbuds);about 40min (charging case)
Battery capacity 60mAh (earbuds)/500mAh (charging case)
Frequency response 20Hz-20kHz
Sound pressure level 95±3dB