Min. Order Reference FOB Price
100 Pieces US$1.00-35.00 / Piece
Product Description
New Arrive Waterproof Blood Oxygen Heart rate sleep Tracking Smart ring Advantages and features: (Solution: Chuangyuan Wireless, APP: CYFIT) 1. Supports both sensory gaming and entertainment fitness 2. Nanocrystalline ceramics, stainless steel process 3. Accurate 24-hour monitoring of sleep, ...