... : 1. The product is suitable for computer, notebook, MP3, MP4 and other audio players, standard audio input interface configuration. 2. The use of ... class D amplifier circuit, wide range, natural sound and delicate, soft and fresh, clear and crisp, is a good tool to enjoy the ... music.1. Support read and play music in SD card/MMC card/U-disk (MP3/WMA) 2. Input sensitivity: AUX450mV ...