Blood oxygen sleep monitoring Sports smart watch

Item No.: 9806
Lens material: TAC
Frame material: metal
Transmittance classification: Class 3/shading mirror
Whether it is polarized: Yes
Glasses structure: full frame
Glasses style: square
Anti-UV grade: UV400
Applicable scenarios: outdoor sports, cycling, fashion wear, driving
Popular elements: color change, Internet celebrity hot style
Style: metal, stylish
Applicable people: Men