Product DescriptionThis product can connect to smart phone and tablet to measure body temperature,such as forehead and back of ears. For more information, go to website below: http://www.wiseways.com.twThe temperature of Wise Thermo is for reference only. For medical advice, please check with your doctor for further information. How to use1. Connect to smart devicePlease open Wise Thermo App first, and then plug cable into earphone hole. 2. Measuring After measuring the forehead temperature, if temperature is between 34.4(93.9~42.2 (93.9~107.9), you will hear voice number. If temperature is lower than 34.4 or higher than 42.2, there is no voice number . Care and Cleaning1. The WiseThermo is a delicate electronic device. The best working temperature is 50 to104 (10 to 40), relative humidity on 95% or under. This device can obtain the best result of temperature when environment temperature is 77 (25).2. Although the probe can be cleaned with alcohol, the body of the WiseThermoshould never be submerged in water or any other liquid.3. Clean the probe with a cotton swab moistened with alcohol after everymeasurement and before each use. Clean the body of the WiseThermo with a softdry cloth. Never use an abrasive.4. Avoid touching the probe with your fingers.5. Do not expose the thermometer to direct sunlight.6. Keep out of the reach of children when not in use. The optimal storage temperature range is 4122 / -2050.7. Use the WiseThermo to take temperature from the forehead only. Do not use it totake rectal, oral, or underarm temperatures.8. Do not disassemble the WiseThermo.