Читатель и наушников динамик

MT-28,reader&earphone speaker,MOQ 1000PCS * Clip design to make sure it can be clipped both on your kitbag and belt,easy to carry. Multi-functions Mini speakers with FM,SD/USB/MMC card readers functions *Built-in LED lights,can worked as a torch. * Plays mp3 format music from your U disk/SD/MMCcards automatically * Rechargeable&Replaceable Nokia style lithium-ion battery for 3-5 hours of continuous play * 3.5mm audio plug to allow all audio devices to line in * Rated Power :RMS 2W*2 * Frequency response: 100HZ---20KHZ * Drive unit. 2*36MM/4Ω * S/N Ratio.85db * Power Supply.3.7V 500mA BL-5C li-ion battery * Product size.140*52*42mm * Weight.140g only