Rhythms/Patterns (50 built-in patterns)::Lesson Function (Melody on/off (Lesson part: Melody part))::Tuning Control (A4 = approximatery 440 Hz ± 99 cents)::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))

​​​​​​​Casio SA-76 Portable Musical Keyboard Piano - Black & Orange

• Portable Keyboard
• Series:Mini
• Action:Non-Weighted Keys
• Control Panel:Digital
• Key Type:Lever
• Keyboard Type:Velocity Sensitivity
• Number of Keys:44
• Display Type:LCD
• Brand:Casio
• Battery Type:Alkaline
• Adaptor Type:AC adaptor
• Speaker Size:8cm x 2