Qualcomm® TrueWirelessTM Mirroring technology supports dynamic and seamless bud-to-bud role swapping Bluetooth V5.2 ensures stable connection Up to 28 hours of playback in total • Game mode supported for immersive gaming experience Qualcomm® cVcTM 8.0 technology for clear phone calls Qualcomm® aptXTM audio decoding provides lossless transmission of audio IP55-rated dust and water resistance for outdoor scenarios Touch control supports music/call/volume adjustmeBluetooth version V5.2 Audio codecs APTX, SBC Driver unit 6mm dynamic driver Playback time about 8 hours (earbuds) + 20 hours (charging case) Charging time about 1 hour 40min (earbuds)/2 hours (charging case) Battery capacity 50mAh (earbuds)/350mAh (charging case) Frequency response 20Hz-20kHz Sound pressure level 94±3dBSPL Impedance 16Ω Charging port USB Type-C