L11 Business Style 1.3 inch Full Round Touch Screen ECG Heart Rate Blood Pressure Real-time Weather worth to buy? Thanks for it if those of you who have purchased L11 Business Style 1.3 inch Full Round Touch Screen ECG Heart Rate Blood Pressure Real-time Weather could share about what you think of the product. I would love any extra info, as it is quite pricey as $80.22 and I just want to know it is good before paying for it.