Bluetooth Chipset: BL5656C2 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ14.2mm

Speaker Sensitivity: 112± 3dB

Earbuds Battery Capacity: 50mAh rechargeable battery

Charging Case Battey Capacity: 300mAh

Earbuds Working Time: Music/Talking time up to 5-6 Hours/Charge

Charing Case: 300mAh Battery (About 2 times charge to earbuds)

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

Earbuds Weight: 8.9 g(single earphone)

Charge Case Size: 90.08*60.08*24.71 mm (L*W*H)

Charge Box Weight: 38.4 g

Charge Interface:  Type C