Ex Digital Wind Instrument With 12 Tones, 3 Fingerings, Scales, Transpose Product Features 12 Optional Tones 3 Fingerstyles - The M2 offers a diverse selection of 12 different tones, short press the tone key after the LCD displays the corresponding information, short press the keys ?/? to adjust to the desired tone. Adjustable fingering keys for selecting different fingerstyles, short press the fingering key to select one of the three fingerings: F Flute Fingering, Electric Piano Fingering, or Hulusi Fingering. 5 Blow Sensitivities Adjustable Sound Effects - Short press the blow intensity key to adjust the sensitivity of five blow intensities: b (lightest), b2 (light), standard, heavy, and heaviest. Short press the Sound Effects Key, after the LCD displays the letters "EF," short press the keys ?/? to adjust the reverb effect. Range: Adjustable from 0 to 30 levels, default level is 20. High/Low Octave Transpose- Touch the high and low octave keys to switch between different pitch ranges. No touch corresponds to the middle octave range. Short press the transpose key. After the LCD displays the letter "P," short press the keys ?/? to transpose up or down by 12 semitones. Volume Control Factory Reset- Short press the volume key, after the LCD displays the corresponding information, short press the keys ?/? to adjust the volume. Volume Range: Adjustable from 00 to 12 levels Press the Factory Reset Key to restore the device to its factory settings. Bluetooth Bluetooth MIDI Connection - Press and hold reset button,the Bluetooth indicator will flash, indicating that the machine's Bluetooth has been activated. Then, activate your phone's Bluetooth and search for this device to establish a connection. Bluetooth can be used to connect to apps on your phone or iPad, such as Ziyueban, Tanchangba, and Perfect Piano. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!