Features.

1. Intelligent over charge and discharge protection system
2. With a 4W corn LED lamps, can be used continuously for 21 hours
3. The amplifier can play music 15 hours of continuous playback
4. External 5.5V output jack, overcharge and over discharge protection device and overload, high temperature protection, open circuit protection and other functions

How to use?

The solar charging cable directly into the input port, four led to a marquee status, Its charging,when fully charged four lights all bright, when the battery is fully charged, the controller automatically starts protection function, off the charge power led lights, a total switch, the above is LED ON, the middle is off, the following is the audio switch, the lamp can be used to charge mobile digital products, radio, Bluetooth can match cell phone