DCU Earbuds Pink Bluetooth Headphones

Technical specifications:

Bluetooth: V5.0
Chipset: Jieli
Speaker driver: 32Ω
Earbuds battery: 30mAh
Battery box: 400mAh
Input: 5V
Battery voltage: 3.0-4.2V
Autonomy: 3h
Charging time: 70 mins.
Operating distance: 10m
Frequency response: 20-20KHZ
Product weight: 38g
Includes USB Type C Cable

Battery information on the box:

Quantity (number) of cells or batteries: 1pc
Battery or battery component: 1 piece
Watts per hour of each battery: 1.48 Wh
Battery or cell weight: 7.5 ± 0.5 g
Number of lithium metal cells: 1pc
Lithium content (g): 0.12g

Headphone Battery Information:

Quantity (number) of cells or batteries: 1 pc for each earphone
Battery or battery component: positive electrode, negative electrode, diaphragm, aluminum plastic film, electrolyte
Watts per hour of each battery: 0.11 Wh
Battery or cell weight: 1.0G
Number of lithium metal cells: 1 piece in each earphone
Lithium content (g): 0.46g