Yakamoz Ultra Slim Backlight Sliding Out Design Wireless Portable Bluetooth Keyboard Case for Apple iPhone 6 4.7 with Free Lovely Anti Dust Plug (Black) Compitable with Apple Iphone 6 4.7 Inch ONLY!!(Not fit for Apple iPhone 6 Plus 5.5 Inch) Bluetooth version: Bluetooth V3.0. Battery type: built-in rechargeable Li-ion battery. Charging time: at least 2 hours (at least 6 hours for the first time use). Backlight function, ideal for typing emails, chat, and playing games. Integrated slide-out Bluetooth keyboard allows you to switch from the touch screen to a physical keyboard as desired. Simply snap in your iPhone, pair your devices, and you've got a fully functional keyboard ready to slide out whenever you need it!