Features:

1: 50dB Active Noise Cancelling ;HiFi Audio Quality

2: 40 Hours Battery Life (With Case) ; Charging 10 min ,listen to 7 Hours

3: Bluetooth 5.3/AAC,SBC/LDAC

Battery:

Charging Case+Earbuds

40 Hours (at 50% volume in ANC OFF)

28 Hours (at 50% volume in ANC ON)

Only Earbuds

10 Hours (at 50% volume in ANC OFF)

7.5 Hours (at 50% volume in ANC ON)