AY534083-47124 Microsoft Universal Foldable Keyboard for iPad, iPhone, Android devices, and Windows tablets
Microsoft Universal Foldable Keyboard - Wireless Connectivity - Bluetooth - English (North America) - Compatible with Smartphone, Tablet, Computer - QWERTY Keys Layout - Black BT ENGLISH CHARCOAL - Walmart.com
Hands-on with Microsoft's iOS-compatible Universal Foldable Keyboard | iMore
Microsoft Universal Foldable Keyboard Now Available | Windows Experience Blog