The Rock Jam RJ549 is a portable Compact 49-key piano keyboard that is packed full of features despite its portable dimensioning. With 10 instruments, 10 rhythms, 8 demos, 8 drums/drum effects and including vibrato. Want to make music on the go? This electric piano keyboard can be battery operated, so it is portable in both size and performance. But unlike many electronic keyboards of this size, it can also be mains powered (power supply included), giving it a permanent place in any household. The built-in speakers are loud enough to comfortably fill a small space, but when you want to practice in quiet there is a 3.5-mm headphone jack for this purpose.    Ideal for beginners: This keyboard piano includes Simple Piano content, an award-winning Apple and Android mobile app that gamifies current pop music hits, and piano stickers that help you quickly build finger positioning muscles and muscle memory. The keyboard piano package includes: 49-key keyboard piano, music stand, power supply, piano note stickers, Simple Piano app contents.