Fintie 9-Inch Ultrathin (4mm) Wireless Bluetooth Keyboard for iOS (Apple New iPad 9.7 Inch 2017, iPad Air 2, iPad Air, iPad Pro 9.7, iPad 2/3 / 4, iPad First Generation) Function Keys for iOS Compatible with Apple iOS device such as iPhone, iPad mini, Apple New iPad 9.7 Inch 2017, iPad Air 2, iPad Air, iPad Pro 9.7, iPad First Generation, iPad 2, iPad 3rd Generation, iPad 4th Generation, Sleek and portable, ultra-slim (less than 1/4 inch). lighter and slimmer than other portable keyboard selling in the market Real "hard" laptop style keyboard with high end ABS material. A spring mechanism underneath each key ensures a tactile response with every stroke, helping you to type faster and with less error than on a touch screen. Built-in rechargeable lithium battery provides for 100 hours of uninterrupted usage, while auto-sleep feature saves power and ensures you get the most out of every charge. Package includes: Fintie Ultra-Slim Wireless Keyboard, USB cable, instruction manual. Bluetooth Version: Bluetooth V3.0; Working range: 10M; Size: 9.3"L x 5.2"W x 0.2"H (236mm*134mm*6mm)