Bluetooth Chipset: BL5656C2 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ8mm

Speaker Sensitivity: 104 ± 3dB

Earbuds Battery Capacity: 30mAh rechargeable battery

Charging Case Battey Capacity: 200mAh

Earbuds Working Time: Music/Talking time up to 3-4 Hours/Charge

Charing Case: 200mAh Battery (About 2 times charge to earbuds)

Charging Time: Case / 1.5 Hours, Earbuds: 1.5 hour

Earbuds Weight: 3.4g(single earphone)

Charge Case Size: 49.6*42.5*28.4mm (L*W*H)

Charge Box Weight: 24.2g

Charge Interface:  Type C