Technical Specification:
1. BT version: BT5.0
2. BT protocol : a2dp、avctp、avdtp、avrcp、hfp、smp、gap、gatt、rfcomm、sdp、l2cap
3. Distance: ≤10m
4. Earphones charging contact pilotage: Double charging pins
5. Charging case interface: Micro USB
6. Earphones size: 26*24*26.2mm
7. Charging case size: 96mm*46mm*38mm
8. Earphone weight: 5.6g
9. Battery capacity: Earphone: 40mah lithium battery, Charging case:400mah
10. Driver specification: 6mm