Smart Watch for Men, Full Touch Screen Activity Tracker Heart Rate Monitor Blood Pressure Fitness Sm worth to buy? Thanks for it if those of you who have purchased Smart Watch for Men, Full Touch Screen Activity Tracker Heart Rate Monitor Blood Pressure Fitness Sm could share about what you think of the product. I would love any extra info, as it is quite pricey as $43.99 and I just want to know it is good before paying for it.