... input: connect mobile phone.computer.MP3 player , audio device etc. Portable mini speaker Micro SD/TF card*Support FM radio;* Directly ... : Playing badminton/tennis/ball, yoga,camping,climbing mountain ,running ,fishing ,prenatal training.Speaker size:125*65*30mmPacking : neutral package by ... :built-in FM function,Automatic Search Channel Earphone output Portable USB TF card mini audio speaker