BROAD COMPAYIBILITY: Use with all four major operating systems supporting Bluetooth (iOS, Android, Mac OS and Windows) ,Compatible with iPads, iPhones and Bluetooth-enabled Tablets, Laptops, and Mobile Phones, such as iPad air , iPad mini, iPad Pro, iPhone Xs Max etc.^ULTRA-SLIM,LIGHTWEIGHT & 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. Bluetooth Keyboard size (9.7 X 5.9 X 0.24in) and light weight (0.42lb) allows to use and carry anywhere without any constraint.^RECHARGEABLE AND AUTO SLEEP MODE: The universal wireless bluetooth keyboard uses built-in lithium battery, can be easily recharged through USB cable, no need to change the battery. The Built-in Rechargeable battery is incredibly long-lasting, standby time is about 6 months between charges. The bluetooth wireless keyboard can automatically enter into sleep mode in order to save energy.^STABLE CONNECTION: Advanced Bluetooth technology provides a cable-free connection with an operating range of 10 meters. But for Desktop PC Laptop without bluetooth function, you need to insert a third-party bluetooth adapter (not included) to install bluetooth driver before use.^COMFORTABLE and QUIET TYPING: 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.