OUKITEL W2 Fitness Tracker 1.3 inch IPS LCD 2.5D Curved Screen Smartwatch, Support Sports Mode / Sle worth to buy? Thanks for it if those of you who have purchased OUKITEL W2 Fitness Tracker 1.3 inch IPS LCD 2.5D Curved Screen Smartwatch, Support Sports Mode / Sle could share about what you think of the product. I would love any extra info, as it is quite pricey as $39.50 and I just want to know it is good before paying for it.