Feature:1. Multifunctional: This 37 keys keyboard piano has 8 builtin tones, 8 rhythms, 11 demos, 4 percussion instruments, 4 animal sounds, volume and rhythm controls.2. 37 Keys Design: This piano keyboard features a 37 keys design and is an excellent musical toy for boys and girls aged 3 4 5 6 years old, it is the perfect children's toy. The piano works with the left speaker only to produce excellent sound and effects.3. Fine Workmanship: This 37 keys electronic piano keyboard has fine workmanship, with sleek edge design and flat polished surface, so your child won't get hurt.4. Excellent Plastic Material: This 37 keys electronic piano is made of excellent plastic material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life.5. Dual Power Supply: This kid keyboard piano is powered by dual power supplies and comes with a power cord, you can apply USB charging or 3 x 1.5V AA batteries (not included) to power it.Specification:Item Type: 37 Key Electronic KeyboardMaterial: PlasticColor: BlackPower: 3 x 1.5V AA Alkaline Batteries (Not Included) or USB CableSize: Approx. 42.8 x 16.2 x 4.5cm / 16.9 x 6.4 x 1.8in.Package List:1 x 37 Key Electronic Keyboard1 x USB Power Cable