Anti blue light glasses. Size: Kid’s size/junior/ adult small face. 550 nm. To wear in the afternoon and at night to block blue light from artificial light (e.g. LED light) and screens.
USB-C plug used for many computers, MacBooks, phones etc. Connection to internet (via Ethernet). Connection to HDMI, USB (USB 3.0 also works with USB 2). Connection to VGA (many audio and video screens, smart boards, computer monitors, laptop computers, projectors, and television sets uses VGA.) Including charger and card readers.
