100% brand new and high quality. Singing mode: no need to connect a bluetooth phone, directly open the microphone, adjust the volume. Accompaniment mode: open the microphone, open the bluetooth function of the mobile device. Next connect our products to the model software on your phone and play the accompaniment. Recording mode: please use our special audio cable to connect the phone. Open the singing software (KTV software), you can record while singing. Easy to operate: no driver needed, you can connect bluetooth to sing without wire anytime or anywhere. Excellent sound: achieving real low noise and high fidelity, clear, gentle voice. Support for the application K song: Q7 supports Android and IOS, supports all application K song.