1WIND INSTRUMENT SET Bluetooth MIDI electronic saxophone can be connected to a soft source, performance levels tone wireless expansion, compatible with for Windows, for IOS phone, for Android and other systems. 2MULTIFUNCTIONAL: 13 tone options (alto/soprano saxophone, clarinet, hulusi, trumpet, oboe, ovona, occarina, flute, pipe, harp, marimba, violin, erhu), equipped with touch sensitive buttons with 3 types of blowing sensitivity, up and down transposition of 12 semitones, can be connected to the headphones. 3BUILT IN SPEAKER: Electronic wind instrument built in 2W HiFi speaker, no need to connect to the stereo can also be played directly, configure removable electric mouthpiece, flat mouthpiece, more in line with the human mouth, improve the comfort of blowing. 4LONG BATTERY LIFE: Digital wind instrument set built in high capacity 800 mAh lithium battery, fully charged can enjoy playing for 4 hours, support the connection of wirelessorwired MIDI. 5EASY TRANSITIONING: Simple design for better playing experience. Multiple tunes in one tube, easy to transpose, suitable for students, teenagers, teachers, adults, seniors and so on. 1 xElectricWind Instrument(Ship with Inbuilt Battery) 2 x ReplacementNozzle 1 x ChargingCord 1 x PortableStorageBag 1 x InstructionManual