... . Fine flexible buttonThe use of a laptop chocolate keyboard button, look beautiful, feel flexible, and longer life ... around(WIn7 / OS X only) 6mm thin keyboard design6mm thin keyboard, beautiful, fashionable, simple, elegant is the pursuit ... SpecificationsSpecifications button mouse: left, right. Move the mouse pointer78 key standard keyboardSize:Weight:Operating voltage: 3.0V, AA × 2Operating ...