S56 electric blowpipe electroplating up-and-down tone button electric Sa/dizi Bluetooth MIDI built-in 13 kinds of tones (with storage bag + power supply + replacement mouthpiece)suitable for all ages, compact and stylish design, LED display , detachable hard mouthpiece, built-in 13 kinds of timbre, dual-tone function, up and down keys, two fingerings (electric sa/dizi), 15-level blowing sensitivity adjustabletranspose function: -6+6, support external audio And earphones, ion battery 800mAH/3.7V, rechargeable lithium battery power supply, power-saving mode will automatically shut down after 10 minutes of idle time, support MIDI output, can be connected to a computer or tablet, and can be wirelessly connected for an mobile phone or learning app via BluetoothProduct: S56 electric blowpipe electroplating up and down tone button electric Sa / flute Bluetooth MIDI built-in 13 kinds of timbreMaterial: ABS plating buttoncolour: blackPackage Contents: 1 x electric blowpipe2 x replaceable mouthpieces1 x storage bag1 x USB charging cable1 x manualOnly 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.