Feature 1One touch switch, easy to operate, considerate design, convenient for the elderly to use. 2Effectively dry your hearing aid, extends the life of your hearing aid by removing moisture trapped inside. 3The function of automatic stop after working four hours, high working efficiency, pracitcal for use. 4Light weight and in small size, equipped with bag for easy storage, convenient to carry when traveling. 5UV leakage protection safety design, safe to use. Made of high quality material, firm and durable for use.6. Please allow slight error due to manual measurement. Thanks for your understanding.7. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.SpecificationItem Type: Hearing Aid DryerMaterial: ABSPlug Type: EU PlugWorking Voltage: 100-240V, AC 50/60HzConstant Temperature: 455Product Size:102x87x36mm/4x3.4x1.4inHow to Use:Insert the USB cable into the 5V power supply, and insert the plug connector into the socket on the back of the drying box. Plug the power supply into an AC power outlet. Note: Please use the attached 5V power adapter.Open the lid of your smart drying UV lamp drying box. Take out the hearing aid battery and put the pre-cleaned hearing aid (if any, wipe the dust and earwax with a cleaning tool) in the drying box.Gently touch the sensor button, then close the cover, the red LED light will turn on. The drying program starts and stops automatically after 4 hours.Note: Press the sensor button for more than 2 seconds, the drying process can be stopped, lightly touch the sensor button to restart. The red LED light indicates that the unit is powered on. During the first five minutes of the drying period, the UV-C lamp is on. It stops automatically after 5 minutes. At the end of 4 hours of drying, the UV-C lamp will automatically turn on again. After 4 hours for another 5 minutes, the drying box will automatically shut down and the LED light will turn off. Open the lid and take out the dry and hygienic hearing aid. .Package List:1xHearing Aid Drying Box,1xUSB Charging Cable,1xPlug,1xEnglish Manual,1xStorage BoxNote:Do not use near water or fire.Do not disassemble the drying box.Only use the provided 5V power adapter.Children must be under supervision to ensure that they do not use drying boxes as toys; it can only be operated by persons with sufficient knowledge or under supervision.Do not look directly at or touch the UV lamp for a long time.