CY05 1.3 inches IPS Color Screen Smart Watch IP67 Waterproof, Support Call Reminder / Heart Rate Mon worth to buy? Thanks for it if those of you who have purchased CY05 1.3 inches IPS Color Screen Smart Watch IP67 Waterproof, Support Call Reminder / Heart Rate Mon could share about what you think of the product. I would love any extra info, as it is quite pricey as $28.87 and I just want to know it is good before paying for it.