Bluetooth Chipset: JL6973D4 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ6mm

Speaker Sensitivity: 110 ± 3dB

Earbuds Battery Capacity: 25mAh rechargeable battery

Charging Case Battey Capacity: 400mAh

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

Charing Case: 400mAh Battery (About 3 times charge to earbuds)

Charging Time: Case / 1.5 Hours, Earbuds: 0.6 hour

Earbuds Weight: 3.2 g(single earphone)

Charge Case Size: 58.2*58*29.2mm (L*W*H)

Charge Box Weight: 39.6g

Charge Interface:  Type C