Kktick G8 Smartwatch Bluetooth 4.0 SIM Card Call Message Reminder Heart Rate Monitor Smart watchs Fo worth to buy? Thanks for it if those of you who have purchased Kktick G8 Smartwatch Bluetooth 4.0 SIM Card Call Message Reminder Heart Rate Monitor Smart watchs Fo could share about what you think of the product. I would love any extra info, as it is quite pricey as $58.90 and I just want to know it is good before paying for it.