Ultra-Slim, Light, and Portable: This Bluetooth keyboard is lightweight and ideal for business travel. It is made for anyone who needs a portable keyboard for work or play. Use with all four of the main operating systems (Windows, Mac OS, Android, and iOS) that support Bluetooth. Version of Bluetooth Material: aluminum alloy and ABS. The low-profile, whisper-quiet keys give your fingertips an entirely new level of comfort. Additionally, keep all of your frequently used features and media controls at your fingertips with Windows-specific hot keys.