Bluetooth Chipset: 5756C3 / BT5.3Audio Code: SBC/AACTouch ButtonDriver Dize: Φ13mm Speaker Sensitivity: 118 ± 3dbEarbuds Battery Capacity: 30mAh rechargeable battery Charging Case Battey Capacity: 300mAh Earbuds Working Time: Music/Talking time up to 5-6 Hours/Charge Charing Case: 300mAh..
