Bluetooth 5.3 Wireless Earphone, In Ear Earbuds, Deep Bass Earphones

Receive Sensitivity: 2402GHZ-2483.5MHZ      
Speaker Power: 3mW
Frequency Response: 20Hz~20KHz
Speaker Type:中10mm@16ohm
Earbud Capacity: 5V/35mAh
Case Capacity: 350mAh/1.29Wh
Charging Time;
    -    Earbuds: 1.5 hours
     -   Case: 2 hours
Earbuds Use Time: About 6.5 hours (at 80% volume in normal mode)
Charging Case Use Time: About 20 hours