Re-style your branded wristwatch with original watch bands, and flaunt your style amongst friends or family without making a hole in your wallet. Fitbit is a US-based fitness brand well-known for its range of smartwatches that aim to revolutionize how millennials look at their fitness. The brand has roped in Will Smith, Harley Pasternak, and Dean Karnazes as its brand ambassadors. The magic of purple color sparks creative fantasies.