Foldable Keyboard Aircraft-grade Aluminum Alloy Ultraslim Mini Wireless Keyboard for iPhone iOS, iPad, Android, Windows, other Smartphones, Tablets (Black) Lightweight and Portable: This folding wireless keyboard is small enough to fit in your pocket! Its sleek, slim and lightweight (0.29 lb) design makes it very convenient for on-the-go travel.Built-in rechargeable lithium battery, energy-saving and long lifespan. Aircraft-grade Aluminum: Aircraft-grade aluminum provides superior rigidity and durability. Premium anodized matte processed aluminum adds tactility and comfort to the exterior. System requirement: Windows 10/8.1/8, Windows phone 8.1/10, Apple iOS 7/8/9, Android 4.4.2 and above. Compatible devices include iPad, iPhone, Android Phone/tablet, windows phone/tablet, hybrid tablet (Microsoft surface, Dell Inspiron 13, Lenovo yoga 900 and more!) and smart TV. Up to 10 meters operating distance---can work or play in more places like your comfy couch, flexible to operate. What you can get: Foldable Wireless Keyboard, Micro USB cable, travel pouch, welcome guide, friendly customer service.