Hashex Klick Quick Quick Button 3.5mm Headphone Dust Plug for Android Smartphone with Random Color Clamps Please note:Instructions may not be used, the setup app is named Klick on the google play store. This is the English version of app download page http://www.helloklick.com/index.php/site/download Easy and simple to use, just plug in earphone hole and set your own shortcuts in a second. Over 50 quick functions, like: Take photo, open apps, turn on flashlight, location, SOS, recording, accelerate, phone and etc. Compatible android 2.3 above smart phones.Size: 15.5 x 5mm. Item come in plastic, not in box. Ships in 1-2 business days via USPS with TRACKING ID from NC, United States.