Product name: XG31 wireless BT headset
Headphone battery: 40 mA
Charging box battery: 300 mAh
BT version: 5.0 + EDR
Charging time: 0.8 hours
Speaker frequency response: 20Hz~20KHz
Transmission distance: 10m
Music playback time: 4 hours
Talk time: 4 hours
Standby time: 120 hours
![](https://sc01.alicdn.com/kf/H0ec8b9df3fa74f9889c2ca4328312fe6k/230354075/H0ec8b9df3fa74f9889c2ca4328312fe6k.jpg_.webp)
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