Wireless FM Radio Speaker HIFI Stereo Bass Radio Portable Outdoor MP3 Music Player JOC Rechargeable USB and Micro SD Slo

Exterior size 128x74x35mm Standby time: 4-8 hours; Standby time is 64 hours Response frequency ranges from 18Hz to 19000Hz Battery capacity: 2,800 mah Use voltage 5V =500mA Color: Red Exterior technology: piano baking paint Music playback: support MP3 format Packing list: Radio *1+ USB charging cable *1+ English instruction manual *1