Features: Teeth Whitening Device: Achieve a brighter smile with our advanced LED cold light teeth whitening device. 3 Light Modes: Customize your whitening experience with red light, blue light, or a combination of both for optimal results. Long-lasting Battery: The built-in 300mAh lithium battery ensures continuous use without the need for frequent recharging. Convenient Magnetic Charging: Simply attach the device to the included magnetic charging cable and plug into USB power source. Enhance Your Confidence: With our teeth whitening device, you can confidently showcase a radiant smile that will leave a lasting impression. How to Use: 1. Clean tooth surface with toothpaste or mouthwash before use. 2. Apply a small amount of tooth whitening gel or plastic whitening strips on the teeth (Not included). 3. Choose red light or blue light or red light & blue light mode when booting. It will automatically stop working after 16 minutes. 4. Rinse your mouth, clean the head of the whitening device, and wait for your next use. Note: 1. When you choose a light color for more than 5s, the machine will use this light color by default, and you cannot change the light mode until it automatically turns off after 16 minutes. If you need to replace the light color during work, you can manually turn it off (press and hold the switch for 2-3s), after restarting, quickly select the light color within 2s. 2. Apply a small amount of gel, because too much gel will not achieve better results, it will cause gum allergy redness and blistering. If you encounter such problems, rinse with water immediately. 3. During the use, there may be gum soreness. The discomfort will disappear within 48 hours. You can also use counter allergy gel or toothpaste to soothe. 4. Not applicable to minors under 14 years of age. 5. Please rinse your mouth with clean water after use. 6. Red light mode is used to avoid dental plaque, not suitable for teeth whitening, please choose blue light or red light & blue light to whiten teeth. 7. Please avoid the fuselage when cleaning the tray, so as to avoid water infiltration and affect the next use. Specifications: Battery Capacity: 3.7V 300mAh Material: ABS, silicone Color: Black, White (Optional) Item Size: Approx. 8.5*6*2.5cm/3.34*2.36*0.98in Item Weight: 40g/1.41oz Package Size: 10*6.1*3.5cm/3.93*2.40*1.37in Package Weight: 59g/2.08oz Package List: 1 * Tooth Whitening Tool 1 * Charging Cable