Smart Ring Men Women Bluetooth Monitor Blood Heartrate Oxygen Ring Size:13 Wide applicability: This product can

Wide applicability: This product can be widely used in the speed regulation needs of various DC motors

contoured fit for most adult face sizes

or dressy outfits

Q: What is the material and build quality of this stylus pen

If you need a specific size not listed

Smart Ring Men Women Bluetooth Monitor Blood Heartrate Oxygen Ring Size:13 Wide applicability: This product canDiscover the Smart Ring Men Women Bluetooth Monitor Blood Heartrate Oxygen a standout electronics accessories pick featuring waterproof, water resistant, lightweight design for dependable, everyday performance. Specifications Activity Tracked: Activity Tracker,Steps Tracker,Distance Tracker,Calorie Tracker Battery Capacity(mAh): 80 Brand Name: YeasMaie Case Material: Alloy Certification: ce,Dot,FCC,EAC Display screen: No Function: Message Reminder