Bluetooth Chipset: Bluetrum 8892E / BT5.1

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ10mm

Speaker Sensitivity: 103 ± 3dB

Earbuds Battery Capacity: 40mAh rechargeable battery

Charging Case Battey Capacity: 280mAh

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

Charing Case: 280mAh Battery (About 3 times charge to earbuds)

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

Earbuds Weight: 3.4g(single earphone)

Charge Case Size: 58.9*53.4*28.9mm (L*W*H)

Charge Box Weight: 30g

Charge Interface:  Type C