TDK electronic basal body temperature thermometer for women (model number HT-301). Measures basal body temperature and can manage data by linking with a dedicated app. 【Brand Name】TDK 【Product Name】Electronic Thermometer for Women 【Model Number】HT-301 【Measurement Method】Predictive (actual measurement is also possible) 【Measurement Time】Approximately 40 seconds for predictive measurement in the mouth 【Data Linkage】Data can be transferred to a smartphone app via Bluetooth ⚫︎Comes with a dedicated case. ⚫︎The button battery (CR2032) will be removed before shipping. ⚫︎Instructions are not included, please search online. ※Used a few times and disinfected each time, so the product is in good condition. We will carefully disinfect with alcohol, but please refrain from purchasing if you are concerned about cleanliness.