[Stainless Steel] Inateck Wireless Bluetooth Portable Keyboard for Microsoft Surface Pro, Android Tablet PC, Samsung Galaxy Tab & Smart Phone, Built-in Lithium Battery with Up to 4 Months Standby - Black Bluetooth technology provides a cable-free & clutter-free connection. Ergonomic tilted design reduces wrist strain; Back panel is made of stainless steel, give you good feel and sturdy quality QWERTY layout with hot keys customized for Apple, Android and Windows products. Compatible with the iPad and all Bluetooth-enabled tablets, laptops, and computers Optimized low-noise keyboard: Good and sturdy embedding and suspension, very good key stroke, low audible background noise, dust repellent Consistently working, rechargeable and efficient: Integrated Li ionic accumulators, no need of changing batteries, up to 30 days standby, guaranteed stable operation on business Flat construction, high-quality and ergonomic, easy to transport, work and play anywhere anytime