Bluetooth Chipset: JL6973D4 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ13mm

Speaker Sensitivity: 96 ± 3dB

Earbuds Battery Capacity: 40mAh rechargeable battery

Charging Case Battey Capacity: 320mAh

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

Charing Case: 320mAh Battery (About 3 times charge to earbuds)

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

Earbuds Weight: 4.8 g(single earphone)

Charge Case Size: 84.35*25.08*47.19mm (L*W*H)

Charge Box Weight: 34.0g

Charge Interface:  Type C