1.3-inch color screen, a new round KY108 intelligent Bluetooth bracelet - blue worth to buy? Thanks for it if those of you who have purchased 1.3-inch color screen, a new round KY108 intelligent Bluetooth bracelet - blue could share about what you think of the product. I would love any extra info, as it is quite pricey as $18.00 and I just want to know it is good before paying for it.