Professional tuning button, the treble / bass / volume / paternity / reverb can be adjusted through this microphone. Bluetooth wireless microphone and speaker, 2-in-1, without additional connection work independently. Microphone head has 3 times the noise reduction processing, it more effectively highlight your beautiful voice. 2600mAh battery is up to 8 hours of singing, enjoy the smart phone APP KTV karaoke effect. High compatibility, it is suitable for iOS and Android smart phones, iPad tablet, Bluetooth etc. Multipurpose: Bluetooth speakers, karaoke singing, car stereos, musical recordings, interviews, broadcasts and so on. All the applications of ideal singing to speech sound can be used as a Bluetooth speakers.