1. 650NM Red LightRed light therapy for the ear can emit 650nm red light. Through the red light irradiation of the thin skin of the ear, the light can easily reach the blood flow, emitting soothing infrared waves. 2. Fully EquippedThe Ear Red Light Therapy device comes with two pairs of ear canal hearing silicone sleeves of different sizes. You can choose the right earmuffs according to the size of your ear canals. With the USB design, you can plug the USB port directly into a mobile power source, or plug in the appropriate adapter to start using it. 3. Neckhanging DesignOur ear laser irradiation device is neckhanging design, which can provide you with red light irradiation at any time. Wearing it will not interfere with your daily activities and you can carry it around easily. It's easy to use anytime, anywhere! 4. Easy to useNo need any operation, no buttons. Plug in the mobile power and start using. Recommended to use 2 times a day for 30 minutes each time, once in the morning and once in the evening.