Digital Basal Thermometer, Highly Accurate 1/100th Degree BBT Body Basal Temperature Thermometer for Adults Ovulation Test, Oral & Underarm Thermometer，Storage Box and Ovulation Chart Includes

? Features of HBF digital thermometer Highly accurate and sensitive, 1/100th degree Big display monitor, easy reading Flexible soft and waterproof tip, more comfortable and sanitary Basal body temperature chart available, easy to record and track your ovulation curve Instructions for using under tongue 1.Put the basal thermometer under the tongue (Notes: Keep putting it in the same point in the...