37-key electronic Keytar 4 sounds 4 rhythms 10 demosongs OKON (Learning function) Volume control Socket for USB Type-C charging cable (included) or for mains adapter (not supplied) Socket for condenser microphone (supplied) Socket for headphones (not included) Socket for external audio source (MP3 player, smartphone etc.) – connecting cable included Supply: through the mains adapter (not included) or through the USB Type-C cable (included) to be connected to a power bank, PC, phone charger etc. (not included) Shoulder strap Stave strip (included)