And yet, I have ordered 2 believing that the first was defective! On both keyboards, the "back" button presented a concern or to continually clear the text, or deleting anything ... Anyway, so the keyboard unusable manipulations become long. Especially after comparison, the touch screen of the device has no equal. The + anyway: a beautiful finish and assured protection. But in fact, while standing, it falls regularly and fasteners suffer quickly. Purchase a meditate, my two keyboards are back to Amazon.