Features:
100% brand new, high quality.
Support TF(MicroSD) card/U-disk for direct MP3 files playback on the speaker.
Support Line-IN music play, enjoy music playback from laptop, MP3/4, cellphone, desktop, PSP and other audio device with 3.5mm audio port.
You can also listen to FM radio with this item.
Support 3.5mm headphone output.
LED display panel
Built-in rechargeable battery, very convenient to charge it by computer USB 5V or adaptor 5V power supply.

Specifications:
Color: Blue
Material: Metal
Function: 3.5mm line-in, Micro SD/TF slot, USB(U-disk), FM radio
SNR: 45dB
Rated voltage: DC 5V
Battery: 300MA (built-in lithium battery)
Response frequency: 20hz-20khz
Interface: Micro SD/TF slot, USB, 3.5mm line-in, DC input, 3.5mm audio output (headphone port)
Button: On/Off, Play/Pause, Volume -/+ (Prev./Next song/channel)
Working time: about 4 hours