1.bluetooth version: bluetooth 5.0+EDR
2.bluetooth chipest : AB1532D
3.bluetooth protocol: support HSP,HFP,A3DP,AVRCP/AAC
4.transmission distance:10-20m
5.play time:10hours
6.talking time:10hours
7.standby time:360Days
8.charging case charger time:1.5hours
9.headset battery:85mah*2
10.charger case battery capacity:2200mah
11.cycle rechargeable times:8times
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