Bluetooth chipset: JL6973 D4, V5.1+EDR
Support: HFP, HSP, A2DP, AVRCP and SPP
Earbuds battery: 30 mAh rechargeable battery
Battery box: 300mAh
Working distance: 10 M
Standby time: 80 hs
Playing time: 5hs
Demension of earbuds: 22*18*22.5mm, N.W:6 g
Charging box: 80*60*30mm, N.W: 56g