Sore Canker Sore Device Detachable Tip Red Blue LED Canker Sore Therapy Device for Lip Nose Ears Muscle Item Type: Canker Sore Device Material: Stainless steel Applicable parts: Mouth, nose, ears, neck, shoulders, wrists, fingers, waist, knees, ankles, joints and other parts of the body Battery: 18650, 1pcs (remove the battery sleeve and use 1pcs 26650 battery) (shipped without batteries) Reflective cup: Aluminum alloy plating reflective cup, better light effect, antioxidant layer Light source color temperature and luminous flux: 630+660 (red LED) /460 (blue LED) /850+900 (infrared light) Use method: 1. Install the suitable battery into the battery slot 2. Rotate the ring port of the electric head, install the funnel interface on the flashlight, and insert the light guide rod into the interface. (The product can also be used alone with a flashlight) 3. Remove the red cover when using 4. Click the button to start the therapy flashlight 5. Click: All 5 light sources light up Click again: (all 5 light sources are bright) pulse flash at 10HZ Click again: Red 630+660nm LED Press again: (Red 630+660nm) 10HZ pulse flash Click again: Infrared 850+900nm light on Press again: (infrared 850+900nm) 10HZ pulse blinking Click again: Blue LED 460 bright Press again: (blue LED 460 bright) Pulse flash at 10HZ Press again: Turn off: Long press 3s at any gear to turn off flashlight: all gears stop for 5 minutes