NKR K1000 Multifunctional Rechargeable Mini Digital USB Sound Card Audio Mixer with Tera Cloth for Network Kara OK Party Music Movies Black High-end IC module, multiple protection and excellent circuit design provide high quality and stable performance. With intelligent power failure recovery, playback and monitor functions. Advanced processing softly technology allows for throwing continuous murmur, ensures clear sound quality. Can be used as an external amplifier, passive and active speakers. Built-in 2-way independent audio output amplifier. Suitable for Cellphone, Computer, Tablet PC, DVD, etc. Fits for Kara OK, Party, Music Play, Movies Play, etc.