Bluetooth Chipset: JL6973D4 / BT5.3

Audio Code: SBC/AAC

Touch Button

Driver Dize: Φ13mm

Speaker Sensitivity: 115±3DB

Earbuds Battery Capacity: 50mAh rechargeable battery

Charging Case Battey Capacity: 200mAh

Earbuds Working Time: Music/Talking time up to 5-7 Hours/Charge

Charing Case: 200mAh Battery (About 2 times charge to earbuds)

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

Earbuds Weight: 7.4 g(single earphone)

Charge Case Size: 65.85*65.85*27.84 mm (L*W*H)

Charge Box Weight: 40.6 g

Charge Interface:  Type C