Features: brand new and high quality The upgraded version live sound card voice changer supports Bluetooth-compatible wireless accompaniment, open the phone BT, search for "NC-A1" and connect. Adopt dual DSP intelligent processing chip to adjust the rhythm in for time, making the audio signal stable and clear, and the output is better. The live sound card allows you to adjust volume including treble, , recording,backing track, for echo and mic volume. The real-time ear-back monitoring allows you to adjust the rhythm in for time to sing entertainment or practice, avoiding the embarrassing experience. The mini sound card can be used for DJ, music studio recording, condenser microphone, karaoke online, podcast, mic, singing, k song, live stream, and for YouTube streaming, guitar, for Facebook, voice mixing , home audio recorder. Sound mixer board is also a voice changer for gamer who for play games online. The Sound board voice changer machine can be for PC, Computer, Pad, Tablet, , Switch, phone, for Windows, and electronic musical instrument. Perfect for broadcast, karaoke, studio music recording and more. Specifications: Material: Aluminum alloy Size: approx. 16x18x1.5cm/6.30x7.09x0.59in Colour: Black,Red Package Includes: 1PC X Sound Card note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!