Casio Model Name:150 No. Of Keys:49 No Of Tones:50 Dimensions (LxBxH) in cm:25 x 8 x 66 Weight(In Kg):2.1 Internal Songs:50 Digital Effects:Yes Controllers:NA Metroneme Beats:NA Tempo Range:40 to 240 Transpose:13 steps (-6 to +6 semitones) Tuning:NA USB Connectivity:No Amplifiers:NA Speakers:Yes Power Supply(In Volts):9.5 Skill Level:Beginners Package Details:Keyboard & Adaptor Warranty(Months):No