Product Dimensions: 285mm x 120mm x 6mm Supports various devices and operating systems Contains 78 keys inclusive of 13 iPad special function keys Connects up to 10 meters operating distance Built in Rechargeable Battery Long battery life best for travellers who do not have easy accessibility of charging hubs Several battery saving functions available Lightweight and slim design making storage in bags hassle-free Ergonomically designed for ultimate comfort of users Suitable for various devices. It can act as a Galaxy Tab Pro Bluetooth Keyboard or Galaxy Tab Pro 10.1 Bluetooth Keyboard or Galaxy Tab Pro 8.4 Bluetooth Keyboard or Galaxy Note Pro Bluetooth Keyboard and all smart devices with bluetooth