BJBJ M4 TWS Earbuds with LED light

Model No: M4
Bluetooth 5.1 version
LED light power display
ipx4 waterproof
Headset battery: 50mAh
Seat charger battery: 500mAh
Support audio decoding: MP2, MP3, WMA, APE, FLAC,AAC, MP4, M4A, WAV, AIF, AIFC
Listening time: 8 hours
Talking time: 3 hours
Charging time: 1 hour
Speaker sensitivity: 98dB
Signal distance: 10m