This microphone ideal for music fancier, allows you to sing and record you voice anywhere,such as in car travelling, BBQ, family dinner and outdoor party so on. It has three times noise reduction handle, more efficient to highlight your beautiful voice. Works with all free apps like Smule, Yokee, StarMaker etc on your smartphone or tablets..It also support different audio players,have the reverb,adjustable volume and channels switching function and powerful echo function,stunning KTV live feeling,support music channel switching.If you want Q7 as a bluetooth speaker,turn off Q7's echo and volume. Bluetooth have memory function,when mobile phone is restarted,it can be connect automatically.