Arkscan AS202 mini micro USB barcode scanner for UMS enabled Android device and all Windows, Mac & Linux (trigger barcode read by software command & SDK/Android App, no hardware button) Its a fine piece of jewelry with the quality and craftsmanship surrounding the AS202 micro USB mini barcode scanner, it was made with diamond-cut beveled edge, smooth sandblasted aluminum surface and construction anodized in a subtle champagne gold hue, a perfect decoration that matches user's mobile devices. The scanner are ONLY compatible for UMS (USB Mass Storage) enabled Android devices, and all Windows, Mac, Unix/Linux devices. An on-screen floating button Android App is designed to trigger a barcode read, Android SDK is also available to integrate with developers App. For Windows, Mac and Unix/Linux can be triggered by a command execution only, not user interface App will be provided. *If your Android device can view an external USB drives content, then its UMS enabled. AS202 barcode mobile scanner delivers high performance barcode scanning that can capture any barcode in any condition, regardless of whether it is damaged, scratched, dirty or poorly printed. The scanner is also capable of reading barcodes under a wide range of ambient light condition from complete darkness to direct sunlight (70,000 lux), making it possible to operate in both indoors and outdoors applications. When connected with tablet or smartphone, AS202 micro USB barcode scanner becomes a vital part of the whole mobile data collecting device. Standby current of less than 50mA also benefits mobile application where low power consumption is a must. The battery power of mobile device can be saved and the operation time can be maximized accordingly. One advantage that makes AS202 micro USB barcode scanner so brilliant is that it can be triggered by simply one tap on the application of smartphone or tablet. No pairing like bluetooth barcode scanner is needed to operate the scanner.