Ultra-Compact Foldable Wireless Bluetooth Full Standard Keyboard For Smartphones And Tablets Light and ultra-portable: when folded 5.1 x 3 x 0.5in; when open 10 x 3 x 0.3in--about the size of a chocolate bar. (And lightweight, too, at 10.6oz). You can easily put it in your bag, purse, or even in your pocket! Made with Aluminum alloy, its both elegant and strong. Built-in battery with a stand-by time of more than 30 days thanks to its American Broadcom chipset with low power consumption. Note: do not charge with 2A output, 1A output is recommended. The Noonplus (formerly Ukonnect) Bluetooth Foldable Keyboard has a 6-meter (33 foot) wireless range. Also, built-in Bluetooth 3.0 and Generic Alternate MAC/PHY (AMP) can increase transmission speed using a variety of high-speed wireless technologies. No need to have a wireless receiver. Perfectly supported by the Apple iOS, Android and Microsoft operating systems. Full-sized keyboard with standard keyboard dimensions: the small or narrow-gap keyboards usually found on the market are uncomfortable to use. The Ukonnect Bluetooth Foldable keyboard provides superior comfortable operations. Simple operation with lots of hot keys. For example: Fn+d (camera): Go beyond a selfie and control your phone remotely from a distance to take a photo; Home: display the iPad home screen; Play/pause: starts or stops current playlist. Easy Pairing: uses a new, alternative RF technique that allows Bluetooth to be dynamically selected.