Uhappy UW1 1.55" Watch Phone Bluetooth Watch Waterproof for Android Smartphone Sliver worth to buy? Thanks for it if those of you who have purchased Uhappy UW1 1.55" Watch Phone Bluetooth Watch Waterproof for Android Smartphone Sliver could share about what you think of the product. I would love any extra info, as it is quite pricey as $71.89 and I just want to know it is good before paying for it.