Explore musical freedom with our Electronic Wind Instrument—10 tones, Saxophone and Flute fingerings, adjustable breath sensitivity, transpose and vibrato settings. Featuring a detachable silicone mouthpiece, Bluetooth MIDI, and audio connectivity. Enjoy the built-in speaker or connect external devices. Powered by an 800mAh Li-battery or USB 5V (adapter included). CE and RoHs certified for quality assurance.