Built-in 3500mAh battery capacity
To extend the power shortage problem.
Simultaneously charging battery and playing music.
Built-in microphone, hand-free answering phone calls.
Easy to set up and enjoy your mobile entertainment.
Streamline fantasy shaped makes fondle admiringly.

Battery parts:
Capacity: 3500mAh-26650
USB Input Current: DC5V / 1A
USB output current: DC5V / 1A

Speaker parts:
Power: 2w
Frequency range: 200hz ~ 2000hz
Sensitivity: 90db
Impedance: 4

Size: 135*29*29mm
Accessories: USB charging cable, 3.5mm audio cable"

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