HOW TO BUY THE SEEKZERO SIZING KIT Previous page CLICK "BUY THE KIT" TO BUY SEEKZERO SIZING KIT Attention：Buy the sizing kit before you buy the seekzero smart ringAttention：The sizing kit is only available for SEEKZERO branded smart rings. BUY THE KIT CLICK "BUY THE KIT" TO BUY SEEKZERO SIZING KIT SEEKZERO ring sizes may differ from regular ring sizes, so please use the sizing tool kit to find the right size and choose the most comfortable fit.Try wearing for 24 hours to confirm desired size BUY THE KIT PURCHASE SEEKZERO SMART RING When you have selected the right size you can choose the smart ring in your favorite color. BUY THE RING DOWNLODA JC Ring App Charge before useSEEKZERO smart ring supports Android and IOS use BUY THE RING USE SEEKZERO SMART RING After Bluetooth connection,you can begin your health monitoring journey. BUY THE RING Next page Previous page Next page 1 Track Your Sleep 2 Track Your Activities 3 Track Your Stress 4 WOMEN'S HEALTH 5 Sense Blood Oxygen Previous page Next page 1 Waterproof 2 Use Every Day 3 High-quality 4 Long Battery Life 5 Convinent SEEKZERO SIZING KIT AND SEEKZERO SMART RING SEEKZERO SMART RING Add to Cart SEEKZERO SMART RING Add to Cart SEEKZERO SMART RING Buying Options SEEKZERO SIZING KIT Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 57 4.6 out of 5 stars 57 4.6 out of 5 stars 57 4.2 out of 5 stars 33 4.6 out of 5 stars 57 4.6 out of 5 stars 57 4.6 out of 5 stars 57 Price $199.99$199.99 $199.99$199.99 — $5.99$5.99 $199.99$199.99 $199.99$199.99 $199.99$199.99 Waterproof 5 ATM 5 ATM 5 ATM — 5 ATM 5 ATM 5 ATM Battery life 7-10 days 7-10 days 7-10 days — 7-10 days 7-10 days 7-10 days Compatible Devices Android & ios Android & ios Android & ios — Android & ios Android & ios Android & ios Sleep Tracking/Stress Tracking √ √ √ — √ √ √ Track Your Activities √ √ √ — √ √ √ Sense Blood Oxygen (SpO2) √ √ √ — √ √ √ WOMEN'S HEALTH √ √ √ — √ √ √ Measure Heart Rate √ √ √ — √ √ √ Charging Methods Wireless Charging Wireless Charging Wireless Charging — Wireless Charging Wireless Charging Wireless Charging Subscription No subscription fees or ads No subscription fees or ads No subscription fees or ads × No subscription fees or ads No subscription fees or ads No subscription fees or ads Size 6-13 6-13 6-13 6-13 6-13 6-13 6-13 Width/Thickness Weight 8mm/2.85mm 3 g 8mm/2.85mm 3 g 8mm/2.85mm 3 g — 8mm/2.85mm 3 g 8mm/2.85mm 3 g 8mm/2.85mm 3 g Why is the charging case always green when charging, how do I know the product is charged or fully charged! Please connect the data cable and open the charging shell, observe whether the ring is flashing green, if the ring is flashing green, it means it is charging, if the ring is not flashing green, please move the ring to the right position! Which finger should I wear it on to get more accurate measurements? You can get accurate measurements no matter which finger you wear it on, but it is best to measure your size in advance to ensure that you are comfortable wearing it for a long time and get used to the smart ring. Can the battery life reach 7 to 10 days? When fully charged, it can be used continuously for 7 to 10 days. It also depends on how often you use the ring to measure, basically it will last you a week. Is there really no subscription fee? In order to provide you with better service, our products will not incur any fees during your use. We hope you can accept this product and provide us with areas for improvement. There is no end to technological upgrades! Is there any difference between the measured data and the smart watch I usually use? In the case of simultaneous measurement, it is normal to have deviations. It depends on your trust in different products. As a brand new product, we need to accept more testing and practice!