Casio SA75 Portable Keyboard with 37 keys This is USED & shows some signs of play wear - nicks on corners & some scratching. Everything works. ***Batteries not included Interactive review and ear-training screens Help reinforce new concepts and develop your ear as you play. Songs and exercises are enhanced by live-recorded audio. 10 built-in songs Feature the option of turning off the melody so you can play it. 100 tones and 30 accompaniment patterns For rich, layered sound. Backlit LCD display With a musical information system for easy readability and use. On-screen music staff displays notes played, while icons indicate the beat. Headphone jack Lets you practice in private.