Just because something is called a toy piano, doesn’t mean it has to sound like a toy. If the instrument has correct pitch and accurate tone, a child who plays with the instrument will look forward to better instruments as they grow older.The KORG tinyPIANO is a digital piano made by a musical instrument manufacturer renowned for professional pianos for the children who carry the future. Features Twenty-five built-in sounds that let you learn while playing Fifty built-in demo songs to enjoy even when you're not playing Small, easily transportable, and powered by AA batteries Specifications Color: Black (tinyPIANO-BK) Keyboard: 25 key [C4 – C6] | (Natural Touch Mini Keyboard, Velocity sensitive) Sounds: 25 | (Toy Piano, Acoustic Piano x 3, Electric Piano x 2, Organ x 3, Music Box x 2, Bell x 3, Others x 11) Demo Songs: 50 | (Toy Piano Demo x 4, Music Box Demo x 21, Piano Demo x 20, Others x 5) Key Transpose: Yes Octave Shift: Yes Connections: Headphones (Stereo mini jack type*, also used as an audio output) | *The sound will be monaural | DC9V in Amplification: 1 Watt Speaker: 8 cm x 1 Power Supply: AA alkaline batteries x 6, or NiMH batteries x6 | DC 9 V (Optional AC dapter ) Power Consumption: 2 W (Rated) Dimensions: (W) x (D) x (H)383 x 258 x 282 mm / 15.08 x 10.16 x 11.10 inches Weight: 4.7 kg / 10.36 lbs (including Batteries) Accessories: AA batteries x 6 (for verifying operation) Options: AC Adapter (DC 9V) Watch: Korg tinyPIANO - It's Time to Play and Have Fun!