General Spec Material leather Color black Input 5.0V Output 5.0V Function non-slip, anti-scratch, waterproof, dustproof, shockproof Compatibility iPad Other a bluetooth keyboard Features Durable leather construction with secure magnetic closure. Come with a bluetooth keyboard for convenience. Designed to fit the contour of iPad precisely. Compact and fashionable style and protection. Use the iPad in a variety of positions. Soft, waterproof, space saving design. You can use this keyboard with most device that have bluetooth or USB adapter. 450mAh built-in Lithium battery that can last for about one week. Continuous standby for 100 days. Can protect your iPad from scratching, everyday wear and tear. Perfect combination for iPad.