USB Audio Speaker with Microphone 1.support TF, ... French, German, Italian, Dutch, etc. USB Audio Speaker with Microphone Supports Micro USB/TF card, FM, etc. ... USB2.0 high speed transmission, fully compatible with USBSupports the calendar, time.Built-in high ... USBTechnic specification Dimension138*53mmOutput RMS3w, THD=10%Speaker Power4Ω/3W*2Frequency Response200Hz---16KHzSignal-to-Noise>80dbDistortion ...