... , DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook computer, Micro SD/TF card, etc.3. Metallic, shell shows noble and fashionable, out of ... of digital products at any time.*Audio Formats: MP3*With Micro SD and USB Disk slot, USB connect*Output: RMS 6W(3W ... message when you pay, or random color.)*Operation Manual:- Micro SD card: put micro SD or TF card into this hole.- USB: for USB Flash Drive ...