MULTIPLE TONES TO CHOOSE: The mini digital wind instrument has 12 tones to choose from, including alto and soprano saxophone, clarinet, , trumpet, suona, oboe, flute, flute, bamboo flute, recorder, which are easy to switch and meet your needs at any time. Features: Five octaves, two fingerings,12 tones,LED display,10W speaker, Bluetooth,Tone:99 HIFI SPEAKER: MIDI are equipped with a built-in 5W HiFi speaker, which can be played directly without connecting to speakers. The detachable flat nozzle conforms to the shape of the human mouth for improved comfort. LONG BATTERY LIFE: This Electronic Wind Instrument has a built-in 3.7V 3000mah high-capacity lithium battery, which can play for 6-7hours on a full charge. Simple design, easy to carry, suitable for students, teenagers, teachers, adults, the elderly and so on. Color: Silver Material: ABS Package Contents: 1X Mini Saxophone 1x receiver 1X charging cable 1X mouthpiece 1X lanyard 1X Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.