Bluetooth Chipset: JL6983D4 / BT5.2

Audio Code: SBC

Touch Button

Driver Dize: Φ13mm

Speaker Sensitivity: 110 ± 3dB

Earbuds Battery Capacity:40mAh rechargeable battery

Charging Case Battey Capacity: 300 mAh

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

Charing Case: 300mAh Battery (About 2 times charge to earbuds)

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

Earbuds Weight: 3.4g(single earphone)

Charge Case Size: 53.4*53.4*27.6mm (L*W*H)

Charge Box Weight: 32.2g

Charge Interface:  Type C