NO.1 G5 Bluetooth Heart Rate Monitor Smart Wrist Watch for Android iOS Black worth to buy? Thanks for it if those of you who have purchased NO.1 G5 Bluetooth Heart Rate Monitor Smart Wrist Watch for Android iOS Black could share about what you think of the product. I would love any extra info, as it is quite pricey as $50.00 and I just want to know it is good before paying for it.