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๐ฟ Own Your Cycle, Own Your Future โ Smart, Simple, Hormone-Free
Daysy Fertility Tracker is a hormone-free, FDA-registered smart basal body temperature thermometer that predicts ovulation with 99.4% accuracy. Designed in Switzerland and crafted in Germany, it uses Bluetooth connectivity to sync with a free app, providing instant red/green fertility status indicators and personalized cycle tracking without subscriptions or invasive methods.














| ASIN | B01HNCPTWQ |
| Additional Features | BBT Precision, Cycle Tracking, FDA-registered, Hormone-free, Ovulation Prediction |
| Age Range Description | Adult |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #155,081 in Health & Household ( See Top 100 in Health & Household ) #56 in Ovulation Tests #1,106 in Activity, Health & Wellness Monitors |
| Brand | Daysy |
| Built-In Media | Daysy sensor, sensor cap, and charging cable |
| Color | white |
| Connectivity Technology | Bluetooth, USB |
| Customer Reviews | 4.5 4.5 out of 5 stars (327) |
| Display Type | Digital |
| Item Dimensions | 1.81 x 1.89 x 0.87 inches |
| Item Length | 5.1 Inches |
| Item Weight | 0.04 Kilograms |
| Manufacturer | Valley Electronics AG |
| Model Name | Daysy |
| Model Number | Daysy |
| Style Name | Specialized |
| Unit Count | 1.0 Count |
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