New R99 Smart Ring Sleep Heart Rate Blood Oxygen Motion IP68 5ATM Waterproof for Men Women Sport Outdoors Fitness Tracker
Availability:
In Stock
Regular price
$21.99 USD
$79.99
Product Description Specification parameters Water Proof 5ATM Material Case: Stainlness steel Size # 6(16.5 mm)# 7(17.4 mm)# 8(18.2 mm)# 9(19.0 mm)# 10(19.9 mm)# 11(20.7 mm)# 12(21.5 mm)# 13(22.3 mm)thickness 2.6mm...