Batteries required: no;Product description: keyboard with 25 keys ranging 2 octaves from C to C, including sharp and flat notes. Delivered in a box.;Box contents: 1 25-key keyboard, flexible tube and case.;25 Key Mouthpiano including sharps;Complete with flexible mouth tube;Made of high impact material;Supplied in carrying case;Includes BONTEMPI Music Method

• BONTEMPI-MP 426 Keyboard with 25 Keys with Flexible Tube and Case

BONTEMPI-MP 426 Keyboard with 25 Keys with Flexible Tube and CaseBontempi