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
