The way this BB4 micro USB OTG cable White works is very simple. Any portable device such as a mobile phone acts as a host allowing a keyboard, camera, printer or almost any portable device to attach itself to it and initiate communication. This cable is made from high-quality material and is extremely durable, thus you do not need to worry about a break in the cable. The best part about this device is that it is compact and takes up the least amount of space enabling you to fit it in a purse or bag. So now you can transfer your files on-the-go with the help of the BB4Micro USB OTG Cable for tablets and mobiles.MICRO USB OTG CABLE ADAPTER .OTG FUNCTION ALLOWS YOU TO TRANSFER FILES FROM USB FLASH DRIVES AND CONNECT USB PERIPHERALS,EASILY BACK UP ESSENTIALSFILES STORED ON YOUR PHONE,STREAM MOVIES AND MUSIC FROM YOUR EXTERNAL HARD DRIVES ON YOUR PHONE.SUPPORTS HIGH SPEED TRANSFER RATES OF UPTO 480 MBPS.This cable lets you to connect mobiles and tablets to your other devices allowing you to easily transfer images, songs, videos and other files. Now you can easily connect your mobile phone to a printer or connect your tablet or digital camera to a personal digital assistant and effectively complete your work. This micro USB OTG facilitates simple and rapid communication between all your portable devices. You can also connect your flash drives, keyboards, tablets, printers and other devices to your phone or tablet with the help of this micro USB OTG cable for mobiles.