Ultra-Slim,Light & Portable: This lightweight Bluetooth keyboard is designed for anyone who needs a portable capable keyboard for work or play and especially suitable for business travel. Use with all four major operating systems supporting Bluetooth (iOS, Android, Mac OS and Windows). Bluetooth Version , Material: ABS + aluminum alloy. The whisper-quiet, low-profile keys bring a whole new level of comfort to your fingertips. Besides, keep all your most-used functions and media controls closer than ever Windows-dedicated hot keys.