Fintie Ultrathin 4mm Wireless Bluetooth Keyboard with Built-In Multi-Touch Touchpad for iPad, iPhone, Samsung Galaxy, Google Nexus, Microsoft Surface, HP and other Bluetooth Devices [Retail Packaging] Long-Range: Bluetooth 3.0 technology provides a cable-free & clutter-free connection. Operating distance: 10m Cross Compatible: Built-in touchpad with Control of Pointing Feature (Works with Windows 7/8, Windows Vista and Windows XP); Support for smartphones and tablets (Apple iOS will not support touchpad mouse function) Stylish & Portable: Sleek, ultra-slim (About 4mm thickness) design makes for easy portability. Lighter than a standard magazine, yet durable enough to travel Long Lasting Power: Integrated lithium battery provides stable operation on business, while auto-sleep feature saves power and ensures you get the most out of every charge The split keys and scissors switches will make your typing as comfortable as that on a laptop. Dimension: 10.2 * 0.16 * 6.8 inches.