... indicator 3.Support USB interface 5v power supply, computer double track 3.5 audio input 4. Double power supply mode 5. easy to ... case, fashional, engrossing,elegant2,support format: MP3, WMA, Double decoding3,support External music broadcast equipment(AUX IN)connection,enjoy ... for one-jack, headphones, charger, audio input / output, data transfer, FM antenna to achieve in a hole7,Hi-fi outgoing ...