Brand: Casio Model: SA-46 Display Screen: LCD Speakers: 8cm x 2 Color: Black/White Amp Output: 0.5W＋0.5W Keyboard : 32 mini-size keys Maximum Polyphony: 8 Tones: 100 built-in tones Built-in Songs: 10 (Song Bank) Weight: 1.0kg (Excluding batteries) Rhythms/Patterns: 50 built-in patterns Dimension (WxDxH): 446 x 208 x 51mm (Excluding music stand, and other projections)