Features： 1、Adopt one ? button touch switch, easy to operate and convenient to use for hearing aid. 2、USB power supply, convenient for charging, easy to carry, high efficiency and reliable. 3、Safety design of UV leakage protection, cleaning and drying for your hearing aid. 4、5±5 DegreeC Constant temperature, mini in size and practical to use for hearing aid drying. 5、Made of high quality ABS material, non?toxic and reliable durable in use, portable design. Specification： Item Type: Hearing Aid Drying Box Material: ABS Working Voltage: EU Plug 100-240V, AC 50/60Hz Constant Temperature: 45±5 DegreeC Size: Approx. 85 x 76 x 53mm / 3.3 x 3 x 2.1in Usage: 1. Plug the USB cable into the 5V power supply, and plug the connector into the socket on the back of the drying station.Plug the power into an AC socket. Note: Please use the included 5V power adapter. 2. Open the cover of drying box.Remove the battery from the hearing aid and place the pre-cleaned hearing aid (wipe dust and earwax with a cleaning tool) in a drying box 3. Press the on/off button, close the cover, and the red LED lights up. The drying process starts and automatically stops after 4 hours. Note: Press on/key to stop the drying process and press again to restart it.The red LED light indicates that the unit is turned on. During the first five minutes of the drying period, the UV light is on. At the end of the 4-hour drying period, the UV lights will automatically turn on again for another 5 minutes. After 4 hours, the drying box will automatically close and the LED light will automatically turn off. 4. Open the lid and take out the dry and cleaned hearing aid. Package List： 1 x Hearing Aid Drying Box 1 x USB Cable 1 x Plug 1 x Manual