Wster Rechargeable Mini Digital Speaker FM Radio, MP3, USB & TF Card Multi-Color

Function:

Play MP3/WMA audio files in the USB/TF card

External audio input

Built-in battery

External power charging interface

FM auto scan radio

LED Digital display

Technical Specification:

Input DC-5V

Built-in BL-5C battery

Frequency Response 150-18000Hz

Power output RMS 3W=THD10%

FM 87MHz-108MH