Specification Brand : VisionGlobal BulletPoint1 : Superior quality lenses filter up to 85% of blue light that can cause digital eye strain, premature eye-aging, and interfere with sleep. BulletPoint2 : Silicone rubber frames are the most durable, flexible and lightweight material– perfect for kids. BulletPoint3 : CR-90 lenses are lightweight and shatterproof,no pressure on ears for all day wearing. BulletPoint4 : Anti-glare coating virtually eliminates reflections from the front and back surfaces of the lenses BulletPoint5 : Warranty: you have no risk to try and we will provide you the best service! We stick to pay attention to product quality, if there's any quality problems please feel free to contact us. Color : 02blue CompatibleDevices : Smartphone CompatibleDevices1 : Keyboard CompatibleDevices2 : Mouse ConnectivityTechnology : Wireless ConnectorGender : Male-to-Female ConnectorType : USB ConnectorType1 : USB 2.0 ConnectorType2 : USB Type C CurrentRating : 1 amps Department : Unisex Child ExternallyAssignedProductIdentifier : 5473361172054 ExternallyAssignedProductIdentifier1 : 0887774395026 ExternallyAssignedProductIdentifier2 : 887774395026 FinishType : Metallic ImportDesignation : Imported IncludedComponents : Anker Charger (2-Port, 20W), 2-pack 5 ft USB-C to USB-C cable, Anker Nano Power Bank (22.5W, Built-In USB-C Connector), 2 ft / 0.6 m USB-C to USB-C cable, welcome guide, user manual, and our friendly customer service InputVoltage : 240 volts IsPortable : 1 IsUlListed : 1 ItemLength : 120 inches ItemName : VisionGlobal Blue Light Blocking Glasses for kids, Anti Eyestrain and Blurry, Computer Glasses, Anti Glare ItemPackageDimensions_Height : 16.4084 centimeters ItemPackageDimensions_Length : 4.191 centimeters ItemPackageDimensions_Width : 6.604 centimeters ItemPackageQuantity : 1 ItemShape : Oval ItemTypeKeyword : blue-light-blocking-glasses Manufacturer : VisionGlobal Material : Polycarbonate ModelNumber : FEISEDY B2997 ModelYear : 2025 MountingType : Wall Mount NumberOfItems : 2 NumberOfPorts : 1 OutputVoltage : 9 volts PartNumber : B2997-001-F Pattern : Solid PolarizationType : Non Polarized PowerSourceType : Corded Electric ProductDescription : VisionGlobal Kids Blue light Blocking Glasess loved by children around the world Today children are glued to their electronic devices more than ever before. Constant exposure to blue light emitted by the screens causes negative side effects on your child’s eyes and vision. These digital equipment are often the source of radiation and harmful blue light, but most parents are ignored about that. The harm of blue light to eyes varies with age, the kids more vulnerable to blue light since they eyes are still in development stage. Study showed that the retina response differently to blue light, kids retina can be hurted by a broader specturum of blue light. Care for the children's future, please protect their eyes when they were young. Blue Light Blocking Test Exposure to blue light from digital devices can cause digital eye strain, along with symptoms that include headaches, blurred vision, dry eyes and even neck pain. VisionGlobal Blue Light blocking computer glasses are designed to fight digital eye strain. They block scattered blue light emissions from computer screens, smartphones, tablets and e-readers. This can help to reduce fatigue, squinting, tired eyes and the other associated symptoms of digital eye strain. The test card reacts to blue light sensitively by turning into blue. When use the blue light torch to beam the blue light on the test card directly, the test card turns into blue obviously. When we put the VisionGlobal Blue Light Blocking glasses on top of the test card and beam the light again, it stays white as Blue light blocking lens has filtered 85% of the blue light ProductSiteLaunchDate : 2020-04-03T06:10:48.396Z Reusability : Rechargeable Size : Medium SpecificationMet : UL SpecificationMet1 : CE SpecificationMet2 : FCC Style : Anker 2-Pack USB C Charger and Anker Nano Power Bank SupplierDeclaredDgHzRegulation : not_applicable TargetGender : unisex TotalUsbPorts : 1 UnitCount : 1 UnspscCode : 46181800 Voltage : 240 volts WarrantyDescription : 1 year Wattage : 20 watts