The LK-S250 is a compact, go-anywhere keyboard that makes learning music fun and approachable, whether you're just starting out, or picking up where you left off. With 61 full-size, touch-responsive keys and Casio’s light-up Key Lighting System, you’ll be picking up melodies and chords in no time, no lesson book required. The LCD and “My Setup” button let you jump straight to your favorite sounds, while 400 onboard Tones and 77 built-in Rhythms keep things fresh as you explore different styles.When you're ready to push your boundaries, Dance Music Mode turns the LK-S250 into a beat-making station with drum loops, synth parts, and effects at your fingertips. Plug in your phone to jam along to your favorite songs or connect a mic to sing over your own tracks. Practice solo with headphones, perform for friends through the built-in speakers, or connect to the Casio Music Space app to learn from MIDI files, the LK-S250 offers a smart and portable way to play and grow musically. And with battery power and a built-in handle, this keyboard is always ready to go where you make the action.Casio LK-S250 IncludesMusic standCasio LK-S250 FeaturesGo-anywhere portability with 61 full-size touch-responsive keysKey Lighting System helps you learn your favorite songs400 great-sounding Tones and 77 fun RhythmsConnects to Casio Music Space iOS/Android app for lessons and moreUSB-MIDIincluded AC adapterCasio LK-S250 SpecificationsNumber of Keys: 61Touch Response: 2 sensitivity levels, offMaximum Polyphony: 48Number of Tones: 400Number of Rhythms/Patterns: 77Automatic Accompaniment: YesBuilt-in Songs: 60Lesson Function: Step Up Lesson, Scoring System, Next Tone Guide, Part Select (Right hand, Left hand, Both hands)Speaker: [13cm x 6cm (Oval)] x2Amplifiers: 2.5W + 2.5WPower Supply2-way [Batteries]AA-size alkaline batteries x 6Approximatery 8 hours[AC Adaptor]: AD-E95100L (DC 9.5V)Power Consumption: 5.5WDimensions: 930 x 256 x 73 mm (w/o music stand)Weight: 3.4 kgColor: BlackEffectsReverb (10 types, off)Transpose: -12 semitones ~ 0 ~ +12 semitonesTuning Control: A4 = 415.5 Hz ~ 440.0 Hz ~ 465.9 HzOne Touch Presets: YesMetronome: 0 to 16 beats; tempo range: 20 to 255LCD: YesOthersKey Lighting System: YesDance Music Mode: YesMy Set Up Function: YesVolume Sync EQ: YesAuto Power OffInput/Output TerminalsUSB port: micro BAUDIO IN: Stereo mini jackMIC IN: Standard jackPEDAL: Standard jackPHONES/OUTPUT: Stereo mini jack Casio LK-S250 61-key Digital Piano.