1， It looks very unique， to outdoor tourism， where you can easily to buckle in the bag on top of， or hanging in the pants2， 3 hours can be fully charged six hours of continuous playback3， It can be a very good flashlight， you do not need to go out the other with a flashlight， in case of emergency， it can help you as well as lighting4， It has four colors to meet your requirements for different colors. Sound quality is very beautiful， but also more solid metal material5， Emergency charge