RockJam 61 Portable Electronic Keyboard with Key Note Stickers, Power Supply and Simply Piano App Content, Compact (RJ361)The Rock Jam RJ361 keyboard is a compact 61 Key keyboard perfect for your portable needs and smaller environments. This keyboard piano can be powered by both batteries and the mains power supply that is included within your purchase. The keyboard piano can play MP's via the aux in and USB input so you can play along to your favorite songs through the in-built stereo speakers. For when you wish to practice in private there is a headphone output. For beginners, this keyboard piano includes 90-Day access to the Simply piano application and the keyboard has two inbuilt learning features included.RockJam Xfinity Heavy-Duty, Double-X, Pre-Assembled, Infinitely Adjustable Piano Keyboard Stand with Locking StrapsStore heavy electronic digital keyboards on the portable and pre-assembled double-X Xfinity keyboard stand. While most other keyboard stand models only include a few preset height adjustments, the quick release mechanism allows pianists to adjust the height of the keyboard stand at any Height is adjustable between 4 to 36 inches, Depth at the top 14 inches, Depth at the base 19 inches, Width adjustable from 7 to 38.5 inches.. This feature makes the Xfinity great for adults and kids, sitting or standing, tall or short. The affordable secure Xfinity has many additional features that ensure your keyboard is safe from falling, making it the perfect gift for children. The high strength support straps, which are attached to the keyboard stand, keep the keyboard from moving during performance. The upper non-slip rubber end caps add extra stability for the keyboard. The lower non-slip rubber end caps keep the keyboard stand from moving during performance. Once the pianist is done performing, the Xfinity can easily be packed away to save room. The fully welded Xfinity does not need any screws or assembly instructions. Just open the package and start using it right away.