Kinsa Smart Thermometer $24.99 Value- Just $14.99 + Free Ship This post may contain affiliate links or sponsored content. See Disclosure Policy. Baby & Toddler HOT DEAL ALERT!!! CLICK HERE and score a Kinsa Smart Thermometer for just $14.99 Was $24.99 + Free Ship That is 40% off !!! My favorite features of this Thermometer: No batteries needed! Plugs right into the headphone jack of your smart phone! Saves your temperature history on your FREE APP!