... mini speaker with your computer, laptop, iPhone, iPod, DVD, CD, MP3, MP4, mobile phone, GPS, PSPSupport TF Card. (memory cards NOT included)Portable ... FM radio player.Keys: USB/TF/FM, Play/Pause, Previous/Vol-, Next/Vol ... +, and ON/OFF.Built-in lithium battery. Powered by computer USB port or through a power adaptor.High grade aluminum alloy ...