Bluetooth Chipset: Bluetrum 5756C / BT5.3
Audio Code: SBC/AAC
Touch Button
Driver Dize: Φ10mm
Earbuds Battery Capacity: 30mAh rechargeable battery
Charging Case Battey Capacity: 300mAh
Earbuds Working Time: Music/Talking time up to 4-5 Hours/Charge
Charing Case: 300mAh Battery (About 4 times charge to earbuds)
Charging Time: Case / 1.5 Hours, Earbuds: : 1.5 hour
| 1. Open-Ear Design 2. Comfortable and stability, for better awareness of surroundings 3. open-ear design, won't hurt the ear canal |