● Support SD / MMC card and U disk read, MP3 format music files
● Can be connected to external audio devices such as mobile phones, computers, MP3 players
● Mellow sweet, translucent clear, soft tone and distinctive acoustics.
● Standard mini USB charging port or charged by DC adaptor (optional)                                                                                                                                             ● Highly efficient digital power amplifier, pure and wonderful acoustics.                         ● Small and easy to carry; can be put into backpack when travelling.                                  ● Dual power supply mode: USB 5V/ four pieces 7 baterry NOKIA MF10/ USB slot charging