Cosiki Smart Finger Ring, Lightweight 18mAh Lithium Battery Multifunctional Health Monitoring Ring Stainless Steel for Outdoor Sports Exercise (Size 23 20.6mm ID for 64.6mm Finger

About this item

BUILT IN BATTERY: This smart ring has built in 18mAh lithium battery, which has a charging time of 60 minutes and endurance of about 3‑5 days. It is equipped with a 400mAh charging case. | SLEEP MONITORING: This smart ring can detect your sleep, temperature, and other physical health data at any time, detect sleep status and time, and keep you informed of physical condition at any time. | MEANINGFUL GIFT: This smart health finger ring is a meaningful gift that suitable for any scenes or holidays, such as birthdays, anniversaries, Thanksgiving, Christmas, or Valentine Day. | STAINLESS STEEL: This smart health ring is made of excellent stainless steel, sturdy and reliable, beautiful and elegant. Lightweight design ensures comfortable wearing without any burden. | SPORTS RING: This smart health ring is also a sports ring with a step counting function that records your daily steps. Suitable for daily life, outdoor sports, fitness, exercise and other scenarios. | | | | |

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