- Features: Portable Multifunction Rated Power: 5W*2 Votage: DC 5V F/R: 80-15KHz S/N Ratio: 80dB Distortion: 1%w1KHz Response sensitivity: 500mv .
- The best sound quality: 3D surround sound .
- Charging indicator: The red light lights when charging.
- When the red light turns green,charging is finished. Attention: The usb function only for the products with usb interface.
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