Purchase Qty. Reference FOB Price
50-499 Pieces US$26.09
500-999 Pieces US$23.25
1,000-4,999 Pieces US$21.75
5,000+ Pieces US$20.29
Product Description
Product Description R3 Blood Oxygen Heart Rate Temperature Fitness Health Tracker App Control Smart Ring Function: Multi-sports mode, Sleep monitoring, Heart rate monitoring, Blood oxygen monitoring,blood pressure monitoring,Step count,body temperature,Automatic health monitoring,Synchronous ...