ON-THE-GO LIGHT THERAPY - Enjoy more sessions anywhere you go with this portable design. The effectiveness of a light therapy lamp depends on the regularity of its use. In reality, it is difficult to sit in front of a light therapy lamp for 30 minutes every day. With light therapy glasses, you will be able to do light therapy while remaining active, and you will not be restricted from light therapy. Therefore, you will have a better chance of feeling the positive effects of light on your energy levels and sleep quality Light therapy glasses External dimesions (L H W): 185 165 42mm Net weight : 65g Peak wavelength : Blue light: 480nm White light 470nm L ight intensity : Blue light: 400Lux White light: 1500Lux Rated power : Blue light: 0.45W White light: 0.65W Use environment : -20? to 30?, 15-90 relative humidity Storage environment : -20? to 30?, 15-90 relative humidity Power supply specification :Built-in rechargeable lithium ion polymer battery 3.7V 300mA Max usage time :Blue light: 2H White light: 1.5H Charging duration:About 2 hours Charger requirements :USB DC5V 1A Shipping list 1 light therapy eye 1 travel bag 1 charging cable?Compatible with Prescription Glasses?You can wear them without removing your prescription glasses, ensuring comfortable use without hindering your vision. They provide optimal exposure to blue or white light, making them perfect for reading, watching TV, working, cooking, and various other activities. ?Easy to Use?These light therapy glasses are incredibly user-friendly. Simply wear them for 15-45 minutes daily to address sleep disorders, jet lag, shift work, winter blues, and to boost your energy. Visible results typically appear after consistent use for over 7 days. The innovative dual-light dual-mode design enhances the convenience of your therapy, allowing you to benefit wherever you go. ?3 Timer Functions?The light therapy glasses come with a timer function offering three preset durations: 15 minutes, 30 minutes, and 45 minutes. This convenient built-in timer allows you to choose the duration according to your needs, and the glasses will automatically turn off when the set time is reached. ?Safe for Your Eyes?These light therapy glasses are completely safe for your eyes. They adhere to the photobiological safety testing standard and are classified as "non-hazardous" based on safety level testing reports. Additionally, the glasses have a gradual brightness increase, allowing your eyes to slowly adapt to the blue or white light within the first 60 seconds of use. ?Upgraded Blue White Light Modes?Research shows that individuals may have different sensitivities to blue or white light. These upgraded light therapy glasses feature a dual-light dual-mode design, allowing you to try one mode for a few days before switching to the other. This way, you can select the mode that best suits your individual needs and sensitivities.