SMART RING, SIZE 9, SILVER, NEW NEW, Never Worn ONLY Open package box to take photos Size 9, Silver No tags, New Sleek and stylish device Several days battery life before charging Men Or Woman Ring Da Ring Use App Da Ring App for android/os, blue tooth Monitor health and fitness- step count, sleep pattern, daily activities, calories, stress, heart rate, track walk, running, cycling according to Da Ring site. Smoke-free Home