Electronic bagpipe chanter. Headphone output to play it anywhere without disturbing anyone: bus, train, subway, street, etc. and without the need for a computer, modules, etc. It can be connected to an amplifier, mixing console or sound effects. You can connect it to modules or computers to trigger any sound, record or write scores with a MIDI connection. It has open fingering Galician, Asturian and Scottish highland bagpipe fingerings. Key A > Bb > C The contacts are electrical, not mechanical. Fits in a pocket: Ø16 x 233 mm. Metronome: With sound and LED light. Tuning: From 433Hz to 533Hz in steps of 3 to 4Hz. Midi output. Cable is not included. Portable: It takes 2 SR44 batteries that last about 40 hours. With Midi, they last 110 hours. With headphones connected and no sound, it turns off after 30 seconds. There is no need to unplug them. So the batteries last months. The red light indicates that they must be changed. Does not include headphones.