Solar Power Kits is a multi-functional system with FM radio/SD card/USB/blue tooth MP3 player. Used as home lighting, kitchen lighting and garden lighting. This product can be used to supply power to LED bulbs, digital devices and receiving FM radio signals or listening to music via SD card, USB, bluetooth or MP3 player. You can also use either the power adapter to charge or the solar panel. Ideal for anyone desiring to go "green" or conserve energy. The multiple outlets enable LED bulbs working at the same time.It can be used as a portable power supply for travelling and wild field. It is featured with compact configuration, small in size, light in weight and easy to carry.