U80 Bluetooth Health Smart Watch 1.5 inch LCD Screen for Android Mobile Phone, Support Phone Call / worth to buy? Thanks for it if those of you who have purchased U80 Bluetooth Health Smart Watch 1.5 inch LCD Screen for Android Mobile Phone, Support Phone Call / could share about what you think of the product. I would love any extra info, as it is quite pricey as $11.69 and I just want to know it is good before paying for it.