Intelligent Wearable Device, Kospet DK08 IP67 Waterproof 1.28-inch Smart Watch with Silicone Strap, worth to buy? Thanks for it if those of you who have purchased Intelligent Wearable Device, Kospet DK08 IP67 Waterproof 1.28-inch Smart Watch with Silicone Strap, could share about what you think of the product. I would love any extra info, as it is quite pricey as $55.22 and I just want to know it is good before paying for it.