USB keyboard, stereo speaker system and MP3 player have been packed into the cylinder. If you need the three or more functions, the following USB folded keyboard may be able to meet your requirement
This is a multi functional USB gadget that measures approx 435 x 225 x 76mm and weights 1144g. As we can see from the images, the combo features a portable cylindrical design, and comes with a folded USB keyboard featuring 90-key layout in order to offer you a more comfortable typing experience for OTG-enabled tablets and smartphones, moreover, in the cylinder there is a stereo speaker system that consists of two 3W drivers plus built-in MP3 player in order to produce clear sound for your favorite music from microSD(HC) memory card. Apart from that, the integrated 3.5mm audio jack also allows you to connect the stereo speaker system with your tablet, MP3 player, smartphone and other music players.
The multi functional USB folded keyboard is priced at $79 USD. If you’re interested, jump to Brando online store for more details.