New Fashion Portable Mini Pocket Music Sky USB Speaker for Micro SD TF Card MP3 MP4 Player IPod PC Laptop mixed color, New Fashion Portable Mini Pocket Music Angel Sky USB Speaker for Micro SD TF Card MP3 MP4 Player IPod PC Laptop This mini audio box can be deemed as perfect combination of classic and modern performance, and it is praised as masterwork of audio boxes Supporting USB2.0 high speed transmission, fully compatible with USB1.1 Mini audio box with new concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, Phone, GPS, PSP, mobile phone, notebook computer, U-disk and SD card Warm reminder: Voltage must be within 5V-6V, use computer USB 5V or adapter 5V power supply. Music may stop when voltage above 6V and turn into over voltage protection condition, this time you should change to adapter below 6V to work properly.