AllCall W1 Smart Watch Phone, 2GB+16GB, Life Waterproof, 1.39 inch Android 5.1, MTK6580 Quad Core 1. worth to buy? Thanks for it if those of you who have purchased AllCall W1 Smart Watch Phone, 2GB+16GB, Life Waterproof, 1.39 inch Android 5.1, MTK6580 Quad Core 1. could share about what you think of the product. I would love any extra info, as it is quite pricey as $154.40 and I just want to know it is good before paying for it.