Min. Order Reference FOB Price
100 Pieces US$20.00-30.00 / Piece
Product Description
Product Description with a preamplifier, with one microphone input, high and low adjustabletwo-way input, two-way output, radio, SD card, USB interface, CD/ audio source and telephone. microphone and circuit, Mp3 volume can be independently adjustable. with short circuit, overload, overheating, ...