Innovative Technology ITIP-7700U Case Universal for 8.9''- 10.1'' Tablets with Built-in Bluetooth Keyboard 8.9"-10.1" Universal Tablet Case with Built-In Bluetooth Keyboard Keyboard Wirelessly Connects in Seconds via Bluetooth Built-In Rechargeable Keyboard Battery, Over 40 hours Per Charge Durable, Twill Exterior with Micro-Suede Interior