Chipset: Bluetrum AB5376A2 / BT 5.1

Audio Code: SBC/AAC

Touch Button

Speaker: 13MM

Impedance: 32Ω

Speaker Sensitivity: 105 ± 5dB

Earbuds Battery Capacity: 30mAh rechargeable battery

Charging Case Battey Capacity: 400 mAh

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

Charing Case: 300mAh Battery (About 3 times charge to earbuds)

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

Earbuds Weight: 3.2g (single earphone)

Charging Case Size: 67*59.5*14.9mm(L*W*H)

Charge Box Weight: 40.6g

Charge Interface: Type C