Smart Wristband Bracelet for I5 Plus Bluetooth 4.0 IP67 Waterproof Wearable Sport Watch Pedometer Tr worth to buy? Thanks for it if those of you who have purchased Smart Wristband Bracelet for I5 Plus Bluetooth 4.0 IP67 Waterproof Wearable Sport Watch Pedometer Tr could share about what you think of the product. I would love any extra info, as it is quite pricey as $43.10 and I just want to know it is good before paying for it.