This is probably one of the most compact Bluetooth keyboards available today, the entire QWERTY keyboard can be rolled up like a slide and turned into a stick to carry very conveniently.
LG Rolly Keyboard: Scroll keyboard like projection roll, integrated holder, 3-month battery
LG has not announced the price nor the specific date of the keyboard, just saying they will be sold in September in the US. Some features seen from the video include: automatic On / Off when scrolling the keyboard, can switch a quick connection between two Bluetooth devices and have a stand to hold a tablet or phone. The keyboard uses an AAA battery, which lasts for 3 months.
