Bluetooth Chipset: JLAD6973D4 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ13mm

Speaker Sensitivity: 98 ± 3dB

Earbuds Battery Capacity: 40mAh rechargeable battery

Charging Case Battey Capacity: 300mAh

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

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

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

Earbuds Weight: 4.1g(single earphone)

Charge Case Size: 54*45.6*27.8mm (L*W*H)

Charge Box Weight: 26g

Charge Interface:  Type C