Keep track of your fertile days with this YONO fertility thermometer. The small earbud lets you track your optimal time within seconds, and it's seamless and comfortable so you forget it’s there. This YONO fertility thermometer synchronizes data to your smartphone so you can get overnight temperature data for further analysis.

Yono - In-ear ovulation predictor thermometer - White

$129.99

Keep track of your fertile days with this YONO fertility thermometer. The small earbud lets you track your optimal time within seconds, and it's seamless and comfortable so you forget it’s there. This YONO fertility thermometer synchronizes data to your smartphone so you can get overnight temperature data for further analysis.