IVSO Case for Surface Pro 4 Keyboard - Ultra-Thin Detachable Keyboard Stand Case/Cover for Microsoft Surface Pro 4 Tablet (Black) Exclusive design for Microsoft Surface Pro 4 tablet,High quality PU leather cover and soft, microfiber-lined interior provide full protection for your tablet. 3-In-1 functionality: Bluetooth V3.0 keyboard + Stand + Premium Carrying Case,it is extremely convenient to carry your tablet to office and travel. Real laptop-style keyboard, giving you better typing experience than silicone keyboard as other cases Precise cut-off provides full access to all ports and features,Charging time 2.5 - 3 hours; Estimated uninterrupted working time 60 hours Trademark is IVSO, Manufacture is Gambolex, Only buy from Gambolex with high quality product and superb customer service. Item include; Case and Keyboard.Micro USB cable, instruction manual.