CF18 1.3 inch IPS TFT Color Screen Smart Bracelet IP67 Waterproof, Metal Watchband,Support Call Remi worth to buy? Thanks for it if those of you who have purchased CF18 1.3 inch IPS TFT Color Screen Smart Bracelet IP67 Waterproof, Metal Watchband,Support Call Remi could share about what you think of the product. I would love any extra info, as it is quite pricey as $29.30 and I just want to know it is good before paying for it.