Toobur Activity Tracker, Slim Waterproof Fitness Tracker Watch with Pedometer Calories and Sleep Mon worth to buy? Thanks for it if those of you who have purchased Toobur Activity Tracker, Slim Waterproof Fitness Tracker Watch with Pedometer Calories and Sleep Mon could share about what you think of the product. I would love any extra info, as it is quite pricey as $57.99 and I just want to know it is good before paying for it.