Yamaha PSR-F51 61-Keys Portable Keyboard

120 different Voices, 114 rhythm styles Metronome and Duo Mode Perfect for Practice
Realistic Sound of Acoustic and Electric Instruments Extremely Lightweight and Portable
As the name suggests, this book has been written for the absolute beginner and assumes no prior musical knowledge - just the desire to do it! The contents are suitable for piano and / or electronic keyboard. Items covered include: Understanding keyboard or piano Studying notes Easy, effective finger exercises Major scales Chords.
The PSRF51 have Headphones output jack and can also be operated with 6 AA batteries for outdoor musical performance
The product comes with official 3-years warranty from Yamaha