TLW T6 Fitness Tracker 0.96 inch OLED Display Wristband Smart Bracelet, Support Sports Mode / ECG / worth to buy? Thanks for it if those of you who have purchased TLW T6 Fitness Tracker 0.96 inch OLED Display Wristband Smart Bracelet, Support Sports Mode / ECG / could share about what you think of the product. I would love any extra info, as it is quite pricey as $42.90 and I just want to know it is good before paying for it.