Portable Speaker AL-SP819 Neueste SD-Karte mini spea

Detailed Product Description 1.portable speakers support SD card /MMC card/mp3 player 2.with USB charge 3.with FM radio 4.display show radio channels portable speakers Main function and features: 1, Support SD card and USB disk, automatically read the first audio device you insert 2, With AUX IN, it can compatible with MP3, MP4, IPOD,laptop,CD player and PC, etc. 3, with FM radio function,frequency range: FM: 76 -108MHZ 4, excellent tone quality,with wallyson dual channel stereo. 5, Dual power supply, built-in rechargeable lithium battery and USB power 6, It is convenient for your travel ,portable, super slim and mini size, easy to carry 7, Material: Pure ABS+ metal loudspeaker net 8, with display Technical specifications: Output: 3 W*2 Frequency range: 100HZ-20KHZ Impedance: 4Ω Power Voltage: USB / DC 5V/1A SNR: >90db Speaker Unit: 52mm x 2 Accessory : Audio cable ,USB cable, lanyard , lithium battery ,manual Packing detail: Size of the product:220*78.5*40mm weight of the product:250g Size of the packing:246*95*50mm