Casio LK-S250 Keyboard Piano Features a key lighting system that helps in interactive learning. Keyboard: 61 full-size, touch-sensitive keys. Sounds and Rhythms: The device contains 400 different sounds and 77 rhythms. Connections: (USB Micro-B port for connecting to computers or smart devices (MIDI). Headphone/Output jack (Stereo Mini Jack). Microphone input (MIC IN). Auxiliary audio input (Audio In). Pedal input. • Power: Operates via an AC adapter (AD-E95100L) or using 6 "AA" batteries (provides 8-16 hours of operation depending on battery type). • Dimensions (Width × Depth × Height): 93.0 cm × 25.6 cm × 7.3 cm (930 mm × 256 mm × 73 mm). Very light use. Price: 380 Riyals