This might have been happened with you several times that you want to transfer your files from PC to your Android Devices or from you Android Devices to your PC. It is quite difficult to do it from your USB as it involves to connect your USB Cable which may be difficult for you to find your cable if you don’t use your computer frequently.See You can use your Bluetooth also for transferring your data from PC to your Android devices or vice-versa. It doesn’t involves any wire to be connected but it may take your lot of time to transfer files. It will be good if you transfer your files over your computer’s WiFi and your Android devices as it will take less time to transfer your files. This can be done through An Application which is available for your Android.