Bluetooth Chipset: JL6973D4 / BT5.1

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ13mm

Speaker Sensitivity: 109 ± 3dB

Earbuds Battery Capacity: 25mAh rechargeable battery

Charging Case Battey Capacity: 230mAh

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

Charing Case: 230mAh Battery (About 3 times charge to earbuds)

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

Earbuds Weight: 3.3g(single earphone)

Charge Case Size: 35x74x23mm (L*W*H)

Charge Box Weight: 70.2g

Charge Interface:  Type C