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