The casio CTK-2400 is a 61-note portable keyboard with built-in speakers, auto-accompaniment rhythms, and good quality sounds and effects. It features blocked-end, semi-weighted keys and numerous control functions as well.
 
FEATURES
Blocked end keys
Sampling feature
MIDI over USB
Built-in speakers
Sustain pedal sold separately
61 keys, 48 Polyphony
400 Tones and 150 RhythmsBuilt-in Mic for Sampling
Speakers 10cm X 2
Power Consumption 9V - 7.7W
Dimensions 94.6 x 30.7 x 9.2 cm (37 1/4 x 12 1/16 x 3 5/8 inch)
Weight 7.94 lbs (without batteries)
USB port Yes (To Host)
Built In Mic