Best Spo2 Band under 3000: Better Alternatives of oximeter

so hey guys in this video I am telling you my best picks in spo2 measure smartwatch, you can use these watches spo2 feature for measure your oxygen level, and these are the best alternatives ever buy link: mi band - https://amzn.to/3elK7Bu oppo band - https://amzn.to/3tiZSNT oneplus band - https://amzn.to/3elhO5Z amazfit bip-U - https://amzn.to/3eVCQY1 mi band 5 review: https://youtu.be/j5UHMiRpnjQ oneplus band review: https://youtu.be/Lbyk5_fG7sg mi band 5 vs one plus band: https://youtu.be/qQSy6-4PTaM Amazfit review: https://youtu.be/47JWVJYu_28 Mi band 5 vs one plus band vs oppo band : https://youtu.be/6sKTmD93ckE