Rechargeable MMC/SD card reader Speaker

Rechargeable MMC/SD card reader Speaker Main function and features: 1, Support MMC/SD card and USB disk, automatically read the first audio device you insert 2, With AUX jack, it can compatible with laptop, MP3, MP4, IPOD, CD player, PC and any music player with 3.5mm audio output jack. 3, with LCD display screen, white LED backlight, it can display wave band, time, temperature and sequence number of the music you are listening, conveniently operate. 4, Dual power supply: lithium battery (it is rechargeable and replaceable battery) and adapter 5, excellent tone quality, 2.0 channel, with stereo sound technology, you can enjoy quality music anywhere. 6, this speaker is designed for your travel partner: portable, super slim and mini size, easy to carry, support SD card and USB disk, built in rechargeable lithium battery. 7, Control button: Previous, Next, Play/Pause, Model, VOL-, VOL+ 8, compact and decent appearance design 9, Material: Pure ABS+ metal loudspeaker net Technical specifications: Rate power: 3W*2 Frequency range: 90HZ-20KHZ Impedance: 4Ω Frequency response: 50/60HZ (Hz) Drive unit: Dia40mm Power Voltage: USB/DC 5V Dimension: 175×33×70mm Accessories: USB charging cable, 3.5mm dual audio cable, lanyard, user manual, warranty card