Bluetooth Keyboard, Arteck Stainless Steel Universal Portable Wireless Bluetooth Keyboard for iOS iPad Air, Pro, iPad Mini, Android, MacOS, Windows Tablets PC Smartphone Built in Rechargeable Battery Broad Compatibility: Use with all four major operating systems supporting Bluetooth (iOS, Android, Mac OS and Windows), including iPad Pro, 1, 2, Air, Air 2 / iPad mini 3, 2, 1, Retina / iPhone / Android Tablets like Samsung Galaxy Tab, Google Nexus / Windows, etc. Ergonomic design: Stainless steel material gives heavy duty feeling, low-profile keys offer quiet and comfortable typing. 6-Month Battery Life: Rechargeable lithium battery with an industry-high capacity lasts for 6 months with single charge (based on 2 hours non-stop use per day). Ultra Thin and Light: Compact size (11.1 X 5.3 X 0.16in) and light weight (10.2oz) allows easily carried and packed backpack, messager bag or case. Package contents: Arteck Stainless Bluetooth Keyboard, USB charging cable, welcome guide, our 24-month warranty and friendly customer service.