Min. Order Reference FOB Price
100 Pieces US$16.00-18.00 / Piece
Product Description
Support real-time heart rate, 1. Resting heart rate from 30 to 240 bpm can be instantly detected |24 hours continuous monitoring | recorded heart rate value every minute Range range heart rate warning. 2. Exercise Heart rate 30 to 240 bpm Track your heart rate during exercise Range real-time ...