---
product_id: 645217532
title: "Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White)"
brand: "boncare"
price: "¥3648"
currency: JPY
in_stock: true
reviews_count: 9
category: "Boncare"
url: https://www.desertcart.jp/products/645217532-boncare-9-seconds-basal-body-thermometer-for-ovulation-rice-white
store_origin: JP
region: Japan
---

# Flexible multi-site detection Large, backlit LCD display 9-second rapid reading Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White)

**Brand:** boncare
**Price:** ¥3648
**Availability:** ✅ In Stock

## Summary

> 🔥 Track your health and fertility with lightning-fast precision!

## Quick Answers

- **What is this?** Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) by boncare
- **How much does it cost?** ¥3648 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/645217532-boncare-9-seconds-basal-body-thermometer-for-ovulation-rice-white)

## Best For

- boncare enthusiasts

## Why This Product

- Trusted boncare brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Health Alerts:** Built-in fever alarm and memory recall keep you informed and ahead of your wellness game.
- • **Precision in a Flash:** Get clinically accurate temperature readings in just 9 seconds—because every second counts.
- • **Read Anytime, Anywhere:** Large, backlit LCD screen ensures crystal-clear readings day or night—no squinting required.
- • **Designed for Life’s Moments:** Waterproof tip and automatic shutoff combine durability with convenience for everyday family use.
- • **Tailored Temperature Tracking:** Switch effortlessly between oral, armpit, and rectal modes for pinpoint accuracy tailored to your needs.

## Overview

The Boncare 9 Seconds Basal Body Thermometer delivers ultra-fast, highly accurate temperature readings in just 9 seconds. Featuring flexible detection modes (oral, armpit, rectal), a large backlit LCD for easy reading, and smart functions like fever alarms and memory recall, it’s the perfect health companion for adults, kids, and infants. Designed for basal body temperature tracking to support fertility planning, this FDA-approved device combines precision, convenience, and durability in a sleek, user-friendly design.

## Description

Buy Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) | Oral Thermometer for Adults and Kids - Accurate Rectal Thermometer, with Fever Alarm and Large Display on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Exelent - This thermometer is amazing! It gives fast and accurate readings in just a few seconds, which is perfect when you need quick results. The display is large and easy to read, even at night. I also love that it can be used for different purposes (oral, rectal, and basal temperature), making it very versatile. The quality feels great for the price, and it’s very simple to use. Definitely a great purchase—I highly recommend it!
Review: Easy to used - This digital thermometer is a simple but important tool to have at home. It makes monitoring your health much easier, especially when you need quick and reliable temperature checks. The reading is fast and clear, which is helpful when you’re feeling unwell or checking on a child. I like it⭐️⭐️⭐️⭐️⭐️ What stands out is how practical and easy it is to use. The design is comfortable to hold, and you can get an accurate reading in just a few seconds without any hassle. The display is easy to read, even in low light. Overall, it’s a dependable everyday health essential that gives you peace of mind without being complicated to use.

## Features

- Accurate, Safe & Quick: Boncare thermometers are equipped with the latest high - sensitivity advanced sensory probes, ensuring highly accurate results within just 9 seconds. This remarkable accuracy makes it a reliable choice for measuring the temperature of infants, children, adults, and the elderly.
- Flexible Detection Area: Our advanced oral thermometer offers you the option to set the measurement area (mouth, armpit, or rectal) before use. This unique feature significantly enhances the accuracy of the results. Additionally, you can effortlessly switch between ℉ and ℃, providing you with maximum convenience.
- Large and Clear Screen: The color - reading display of the Boncare digital thermometer is designed to help you quickly and easily obtain temperature readings. The large, clear LCD display guarantees easy readability, whether it's day or night, ensuring a seamless user experience.
- Basal Body Thermometer for Ovulation: Use this basal thermometer to track your BBT charts and ovulation test results with your preferred app for family planning. Note it's manual for basal temperature as it doesn't support Bluetooth. Take temp right after waking, before any activity to avoid inaccuracies.
- Multifunctional and User Friendly: The health care thermometer is packed with a variety of useful features. It has a fever alarm to remind you if you're sick, a memory display to keep track of previous readings, a waterproof tip (to deal with daily cleaning), and an automatic shutdown function. All these characteristics make it an ideal thermometer for home use and a basal thermometer for women fertility.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D5Q7TNCG |
| Additional Features | Alarm, Backlit, Fast Reading System, High Accuracy, Large Display |
| Age Range (Description) | Adults & Kids & Baby |
| Age Range Description | Adults & Kids & Baby |
| Best Sellers Rank | #3,614 in Health & Household ( See Top 100 in Health & Household ) #1 in Basal Thermometers |
| Brand | Boncare |
| Brand Name | Boncare |
| Color | White |
| Customer Reviews | 4.3 out of 5 stars 2,889 Reviews |
| Display Type | Digital |
| Included Components | thermometer/manual/case |
| Indoor Outdoor Usage | Indoor |
| Inner Material | Plastic or Silicone |
| Item Length | 5.12 inches |
| LowerTemperature Range | 89.6 °F |
| Manufacturer | GUANGDONG GENIAL TECHNOLOGY CO., LTD. |
| Model | T28 |
| Model Name | T28 |
| Number of Batteries | 1 Lithium Metal batteries required. (included) |
| Outer Material | Plastic" or "Silicone |
| Part Number | T28-4 |
| Power Source | Battery Powered |
| Product Care Instructions | Clean with wet wipe and alcohol after each use |
| Resolution | 0.1°C or 0.1°F |
| Response Time | 9 seconds |
| Reusability | Reusable |
| Special Feature | Alarm, Backlit, Fast Reading System, High Accuracy, Large Display |
| Specification Met | FDA |
| Style Name | Digital Thermometer |
| UPC | 767461336870 |
| Unit Count | 1 Count |
| Upper Temperature Range | 107.6 °F |

## Product Details

- **Age Range (Description):** Adults & Kids & Baby
- **Brand:** Boncare
- **Color:** White
- **Display Type:** Digital
- **Included Components:** thermometer/manual/case
- **Outer Material:** Plastic" or "Silicone
- **Product Care Instructions:** Clean with wet wipe and alcohol after each use
- **Special Feature:** Alarm, Backlit, Fast Reading System, High Accuracy, Large Display
- **Specification Met:** FDA
- **Unit Count:** 1.0 Count

## Images

![Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) - Image 1](https://m.media-amazon.com/images/I/616fqSnyHTL.jpg)
![Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) - Image 2](https://m.media-amazon.com/images/I/7168orBEuFL.jpg)
![Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) - Image 3](https://m.media-amazon.com/images/I/71yjYJd3IlL.jpg)
![Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) - Image 4](https://m.media-amazon.com/images/I/71ZRINiBY0L.jpg)
![Boncare 9 Seconds Basal Body Thermometer for Ovulation (Rice-White) - Image 5](https://m.media-amazon.com/images/I/71ZYD6waIdL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: How to switch between °C and °F?**
A: With the thermometer off, press and hold the SET button for 5 seconds until the buzzer beeps, then press the SET button briefly to change units.

**Q: How to switch measuring mode?**
A: With the thermometer off, press the SET button, the buzzer will beep. Short press the SET button(by holding for under 2 secs) to choose measuring mode-Oral, Armpit or Rectal measuring location.

**Q: Why are the temperature readings inconsistent?**
A: Oral measurement: Follow the warm cue card's usage guide, measure for 9s. Armpit measurement: Clamp in the armpit for 3 minutes before use, then measure for 1 minute, ignoring the beep.

**Q: How do view memory temperature data?**
A: Press the on/off button and the screen will display 188.88, then press the Set button to enter the view memory mode. Press the Set button again to view the next set of temperature data.

**Q: Sometimes there's a constant beep that can't be turned off?**
A: It is considered that when the insulation piece is pulled out, the battery is out of place, and the battery contact short circuit occurs. You can reinstall the battery.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Exelent
*by H***Y on April 17, 2026*

This thermometer is amazing! It gives fast and accurate readings in just a few seconds, which is perfect when you need quick results. The display is large and easy to read, even at night. I also love that it can be used for different purposes (oral, rectal, and basal temperature), making it very versatile. The quality feels great for the price, and it’s very simple to use. Definitely a great purchase—I highly recommend it!

### ⭐⭐⭐⭐⭐ Easy to used
*by M***S on April 10, 2026*

This digital thermometer is a simple but important tool to have at home. It makes monitoring your health much easier, especially when you need quick and reliable temperature checks. The reading is fast and clear, which is helpful when you’re feeling unwell or checking on a child. I like it⭐️⭐️⭐️⭐️⭐️ What stands out is how practical and easy it is to use. The design is comfortable to hold, and you can get an accurate reading in just a few seconds without any hassle. The display is easy to read, even in low light. Overall, it’s a dependable everyday health essential that gives you peace of mind without being complicated to use.

### ⭐⭐⭐⭐⭐ Reliable and Easy to Use!!
*by M***A on May 23, 2026*

This thermometer is simple to use and gives quick, accurate readings. I like the large display because it’s easy to read, especially at night. It works well for tracking body temperature and also for regular temperature checks. The size is convenient and it feels comfortable to use

## Frequently Bought Together

- Boncare 9 Seconds Basal Body Thermometer for Ovulation, Oral Thermometer for Adults and Kids - Accurate Rectal Thermometer for Baby, with Fever Alarm and Large Display, FSA HSA Eligible (Rice-White)
- No-Touch Thermometer for Adults and Kids, Accurate Digital Baby Thermometer, FSA HSA Eligible, Fever Alarm & Silent Mode, 2 in 1 Forehead & Object Mode
- Vicks SpeedRead Digital Thermometer with Color-Coded Temperature Readings, Use as Oral Thermometer, Baby Rectal Thermometer or Under The Arm, Water Resistant, FSA and HSA Eligible

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**Shop now:** [https://www.desertcart.jp/products/645217532-boncare-9-seconds-basal-body-thermometer-for-ovulation-rice-white](https://www.desertcart.jp/products/645217532-boncare-9-seconds-basal-body-thermometer-for-ovulation-rice-white)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-02*