Bluetooth Chipset: BL5656C2 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ10mm

Speaker Sensitivity: 110 ± 3dB

Earbuds Battery Capacity: 30mAh rechargeable battery

Charging Case Battey Capacity: 200mAh

Earbuds Working Time: Music/Talking time up to 4-5 Hours/Charge

Charing Case: 200mAh Battery (About 3 times charge to earbuds)

Charging Time: Case / 1 Hours, Earbuds: 1.5 hour

Earbuds Weight: 2.9 g(single earphone)

Charge Case Size: 55*54.9*18.1mm (L*W*H)

Charge Box Weight: 25.91g

Charge Interface:  Type C