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What is USB OTG and How You can Use it

These days everyone has a smartphone and using it for many purposes. Despite our substantial interactions with smartphones, some very cool features of smartphones are still in dark shades. So is the case with some other gadgets which look average but can do wonders for your smartphone. One of less known innovation is USB OTG which can provide many cool benefits to your smartphone. USB OTG can surely enhance your smartphone / tablet experience.