Mobile Phone Accessories

Smart Ring, IP68 Health Smart Ring for Women Men w/Sleep Heart Rate Blood Oxygen Monitor Bluetooth Health Ring for Smartphone, Black #10 SMART RING WITH DISPLAY: this smart ring has a screen to display time, blood oxygen, heart rate, sleep, battery, step, calls etc data. Advanced sensors monitor heart rate(24h continuous tracking), blood oxygen levels and sleep patterns for... Smart Ring, IP68 Health Smart Ring for Women Men w/Sleep Heart Rate Blood Oxygen Monitor Bluetooth Health Ring for Smartphone, Black #10