In view of your problem, I recommend you to use the latest products of Leopold. Laibo Letou-the exclusive projection assistant for children's learning, with a small screen in 4K HD display, has a clearer picture and a wider field of vision, effectively preventing myopia. Have knowledge instead of small glasses, sit upright and upright, and stay away from cervical spondylosis from childhood. Keep children away from internet addiction, put an end to playing mobile phones in the name of learning, put a screen sticker as standard, throw it at the touch, support multiple connection methods, scan code connection, 1 s screen, get rid of complicated operation steps, sweep and touch. Old people and children can use it, and screen projection has never been so simple. Perfect compatibility with multi-devices and multi-systems, in-depth customization of mainstream education APP screen interaction, rich content ecological construction, meet children's daily learning needs, and give more scenes to screen projection.