1. Professional tuning button, high pitch bass/volume/accompany/reverberation all can be adjusted via this microphone 2. Bluetooth wireless microphone and speaker 2 in 1, can work independently without extra connection 3. 2200 mAh battery for up to 6 hours of singing, enjoy KTV karaoke effects with the smartphone app 4.High compatibility, fit for IOS and android smartphone iPad tablet, can read USB card, Bluetooth connection
