India, May 22 -- Oversized sunglasses and linen shirts are no longer the only summer essentials. Step outside on a hot day, and you'll spot sleek, matte-finish mini fans carried like smartphones everywhere to survive the heat. Portable handheld mini fans have quickly become this summer's "it" accessory. What once used to be cheap, brightly coloured plastic gadgets have now had a complete makeover. Today's versions are minimalist, stylish, and premium, designed to look as good as they feel. Here is a simple guide to this summer's coolest trend and how to pick the right one for you....