Foxnovo 5 in 1 Universal 80-keys USB Keyboard PU Protective Flip Case Cover Set for 7-inch Tablet PC Dark Blue Durable PU (case) and hard plastic (keyboard). Standard USB 2.0 port. Compatible with almost all 7-inch tablet PCs. Built-in USB 80-keys QWERTY keyboard for convenient to key input and typing. Adopt 2 fixed clasps and one tensile clasp on the inner case to fix and protect your 7-inch tablet PC from dust, scratch and other damages, without affecting the normal operation.