India, May 21 -- 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 everywhere, carried like smartphones 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.

With temperatures soaring past 40degC, a personal fan has become less of a luxury and more of an everyday essential for anyone travelling or spending time o...