Bluetooth version V5.0 Audio codecs AAC, SBC Driver unit 10mm dynamic driver Playback time ANC on: about 7 hours (earbuds) + 18 hours (charging case) ANC off: about 9 hours (earbuds) + 23 hours (charging case) Charging time about 1 hour (earbuds)/2 hours (charging case) Battery capacity 60mAh (earbuds)/500mAh (charging case) Frequency response 20Hz-20kHz Sensitivity 94±3dBSPL Impedance 24Ω Charging port USB Type-C