Ring

Green Lion Smart Health Tracker Ring with 15mAh Battery Capacity, Waterproof & Dust Proof, Sleep Monitor & Steps Tracker - Black

Porodo Jewels Smart Ring with Health Tracker - Silver

Porodo Jewels Smart Ring with Health Tracker. Lithium Polymer, Sport Modes: Walking, Running, Riding, 16mAh - Silver

Ultrahuman Ring AIR Smart Ring Size 5, Battery Life 6 Days, 3h Charging Time, iOS & Android Compatible, 24mAh LiPo Battery, EMF Radiation Safe, Bluetooth Low Energy - Bionic Gold

Porodo Wearable Smart Ring Size 11 with Touch Function, Anti-Bacterial Stainless Steel, Lithium Polymer, 4.5g, 16mAh - Silver

Porodo Wearable Smart Ring with Touch Function, Lithium Polymer, Anti-Bacterial Stainless Steel, Waterproof IP68, 4.5g - Silver

Green Lion Smart Ring with Charging Case, Campatible With Android 5.1 Or Above, iOS 8.0 Or Above - Black