Volkano Ring Series Smart Ring with Charge Case - Black 20.8mm

The Volkano Ring Series Smart Ring - 20.8?mm combines cutting?edge wellness tracking with elegant, wearable design. This discreet smart ring tracker fits comfortably on your finger while delivering 24/7 health and fitness monitoring. From heart rate, blood pressure, and blood oxygen (SpO?) to step counts and calorie tracking, it's everything you need - minus the bulk of a smartwatch.Perfect for multi-taskers and fitness?focused users, the ring also includes multi-sport monitoring to support different activities. Power it up anywhere with the included magnetic charge case featuring a built-in 120?mAh power bank. The 20.6?mm fit offers a comfortable, secure feel for those needing a slightly larger size, without sacrificing style or performance.