... , portable digital speaker for your convenience, connecting to your MP3,MP4, CD, DVD, iPod, iPhone, GPS, PSP, mobile phone, ... speaker, U-disk and TF card.Perfect combination of NANO-style button and noble metallic shell designed.Several colors and power ... functionLine-in: can connect to computer, mobile phone, MP3/MP4 and other source equipment.Specification Screen: 128x64 black and whitePower ...