Solar Charging Bluetooth Speaker - Waterproof

  Charged by solar power or by regular USB charging. FM function- can search radio station broadcast automatically International advanced Wireless chip- support all wireless devices. Hi-Fi speaker- to make sure the clear and bright sound. Support Micro SD card and USB card, play MP3 format audio. The wireless working distanceis 10 meters. AUX line in- can directly connect the outside devices. for example, tablet PC/TV/cellphones. It will close automatically after 30 mins if bluetooth mode no connection.