Bluetooth Chipset:JL6973D4 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ10mm

Speaker Sensitivity: 110 ± 3dB

Earbuds Battery Capacity: 40mAh rechargeable battery

Charging Case Battey Capacity: 400mAh

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

Charing Case: 400mAh Battery (About 4 times charge to earbuds)

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

Earbuds Weight: 4g(single earphone)

Charge Case Size: 60.26x50.69x29.83mm (L*W*H)

Charge Box Weight: 31.7g

Charge Interface:  Type C