L8STAR R11 ECG+PPG Heart Wave Charting Blood Pressure Health/Fitness Wristband: Unboxing & Review

L8STAR R11 ECG+PPG Smartwatch Buying Link (AliExpress): (enter the following password to get discount: @L8starOffi00012 ) This R11 smartwatch has been provided by L8STAR for review. Many thanks to our viewers for making this YouTube site popular and to L8STAR for their support. If you are interested in purchasing this R11 smartwatch, please use the […]