Men's Vest One-piece Briefs Underwear Color:Black with a round neck and

with a round neck and short sleeves

Weather Heart rate detection/Blood pressure detection/Blood oxygen detection/Wole-day heart rate monitor Timer

XL: shoulder 16

USB charging port

you can bend these flexible branches into any shape

Men's Vest One-piece Briefs Underwear Color:Black with a round neck andProduct information: Color: black Fabric: Soft silk and faux leather Applicable season: summer Sleeve Length: Suspenders Thickness: Thin section Pants length: briefs Size Information: Size: S M L XL XXL 3XL 4XL Note: 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2 3cm differences due to manual measurement. 2. Please check the size chart carefully before