Brand: Casio Model: SA-76 Color: Black/White 44 Mini Keys 100 Tones and 50 Rhythms 0.8W＋0.8W FREE  Adapter SPECIFICATIONS Brand: Casio Model: SA-76 Keyboard: 44 mini-size keys Maximum Polyphony: 8 Tones: 100 built-in tones Rhythms/Patterns: 50 built-in patterns Built-in Songs: 10 (Song Bank) Lesson Function: Melody on/off (Lesson part: Melody part) Other Functions: Piano tone/organ tone one-touch button, 5 drum pads Tuning Control: A4 = approximatery 440 Hz ± 99 cents Display Screen: LCD Speakers: 8cm x 2 Amp Output: 0.8W＋0.8W Input/Output Terminals: Headphones/output (3.5mm mini stereo jack), External power (9.5V DC) Power Requirements: Batteries: AA-sizex6/Optional AC adaptor: AD-E95100L Dimension and Weight Dimension (W x D x H): 604 x 211 x 57mm (Excluding music stand, and other projections) Weight: 1.4kg (Excluding batteries)