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2. The quality of the original sound, using frequency shift noise reduction adaptive technology, high fidelity, low noise, even at high power output, it will not produce obvious distortion

3.18650 rechargeable lithium battery 1200mah, the best battery life

4. With the original headset, you can carefully adjust the matching parameters for you. Amplification is more relaxed, and it is comfortable to wear and not easy to fall off

5. Lightweight and convenient-hand-held, the same size we are lighter and louder, can be easily put in the bag and carried

Specifications:

Type: Mini audio speaker

Maximum power: 5W

Body material: ABS

Signal to noise ratio: 83dB

Impedance: 2Ω

FM function: NO

Battery capacity: 1200mAh

Input power: USB power supply / lithium battery

Distortion: 1% (3.7V, 1KHz, 1W)

Charging voltage: DC5.0V

Battery specification: 3.7V/18650 external

Use time: 8 hours