[Dual Mode]Bakeey C10 HD Screen bluetooth Call Wristband Blood Pressure Oxygen Monitor Music Control worth to buy? Thanks for it if those of you who have purchased [Dual Mode]Bakeey C10 HD Screen bluetooth Call Wristband Blood Pressure Oxygen Monitor Music Control could share about what you think of the product. I would love any extra info, as it is quite pricey as $37.21 and I just want to know it is good before paying for it.