Bluetooth Chipset: Bluetrum 5616 / BT5.1

Audio Code: SBC

Touch Button

Driver Dize: Φ10mm

Speaker Sensitivity: 90 ± 5dB

Earbuds Battery Capacity: 30mAh rechargeable battery

Charging Case Battey Capacity: 150 mAh

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

Charing Case: 150mAh Battery (About 2 times charge to earbuds)

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

Earbuds Weight: 4g(single earphone)

Charge Case Size: 58*55*31mm (L*W*H)

Charge Box Weight: 39.6g

Charge Interface:  Type C