Chipset: AB5616\nBluetooth Version: 5.0\nAudio code: SBC\nTouch button\nDriver size: 13mm\nSpeaker Sensitivity: 100 ± 5dB\nEarbuds Battery Capacity: 30mAh*2\nCharging Case Battey Capacity:300mAh\nWorking time on one charge: 3H\nTotal working time with charging case: 12H\nCharging time for earbuds: 1 hour\nCharing time for case: 1.5 hours\nCharging Interface: Type-C