Origin:China Mainland features: 1. The hearing aid adopts one-touch switch, which is easy to operate and use. 2. USB power supply, convenient for charging, convenient for carrying, efficient and reliable. 3. Safety design for ultraviolet radiation leakage protection, cleaning and drying of hearing aids. 4. Made of high-quality plastic materials, non-toxic and durable, portable design. 5. If you have any questions about the product, please contact us after receiving the information. standard: Material: plastic Color: as shown in the figure instructions: 1. Plug one end of the USB cable into the 5V power supply and the other end into the socket on the back of the dryer. 2. Take out the battery in the hearing aid, clean the earwax and dust on the surface of the hearing aid with cleaning tools such as cleaning brush and dry cloth, open the battery box and put it in the dryer. 3. Press the ON/OFF button, close the cover, and the LED lights up; The drying process starts and stops automatically after 4 hours. 4. Open the cover and remove the dry and clean hearing aid. 1 hearing aid drying oven 1 USB cable Note: 1. Keep away from water and fire sources during use. 2. Non-professional personnel are not allowed to disassemble the dryer. 3. Try to put it in a place that is not easy for children to touch. 4. When using this dryer, make sure to fully understand its performance. 5. Due to different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. 6. Please forgive the measurement deviation of 1 cm/0.39 "- 3 cm/1.18" caused by manual measurement