WIRELESS KEYBOARD:No drivers required needed , connection wireless keyboard provides a cable-free & clutter-free connection,operating distance 10 m(33-foot) | WIDE COMPATIBILITY: Universal Wireless keyboard works with iOS, Android, Mac OS and Windows, including iPad Pro, 1, 2, Air, Air 2 / iPad mini 3, 2, 1, Retina / iPhone / Samsung Galaxy Tab, Google Nexus / Windows,Macbook, Surface pro,etc | RECHARGEABLE BATTERY:Portable wireless keyboard has smart auto sleep feature design for power saving,Built-in battery,easy to charge by micro usb cable,no more need for extra AAA battery.2 hours full charge, work above 40 hours, stand by for 6 months. (Based on 2 hours average usage per day) | PORTABLE KEYBOARD:Ultra-Slim Wireless Keyboard,Compact size (9.76x 5.83 x 0.19in),allows easily carried and packed backpack, messager bag or case when travelling | PACKAGE AND WARRANTY:Package include : 1 x Wireless Keyboard,1 x USB charging cable,1x User Manual ;Customer Service Ready to Respond Within a 24-hour Time Frame.One-year warranty, replacement within half year.