Description With its thin and lightweight design, our keyboard allows you to comfortably type from your smartphone or tablet. Having almost half of the size of a regular keyboard and a rechargeable battery makes it an easy-to-carry item that also is compatibility with virtually any Bluetooth? device, along with 12 convenient hotkeys that allow to easily accomplish your task when time is precious. Specifications Battery capacity: 180mAH Keyboard layout: 59 keys Working voltage: 3.0-4.2V Working current: 1.4-2.2mA Keyboard size: 20 x 12.5 x 6 cm Keyboard weight: 131g.