1. Connect to TV: Enjoy the big screen for easier and more convenient reading. Connecting to the TV provides larger magnification, with ultrasmooth 60fps performance and adjustable zoom from 2x to 25x. Freeze the screen, capture photos, and save them for viewing anytime! 2. Supports external memory card: Compatible with memory cards up to 32GB (Note: Photos cannot be taken without a memory card!). A 4GB memory card is usually sufficient for storing a large number of photos captured by this device. 3. Photo storage: Equipped with camera and memory functions, allowing you to review content anytime. Capture posters, borrowed books, or interesting newspaper articles to read later. The external memory card enables bulk photo storage. 4. Portable 3.5inch viewing aid: Features a 3.5inch display with 2x to 25x magnification, 8 color modes, and TV connectivity—serving as an alternative to reading glasses. Accurately freeze images, enjoy long working hours, and support external TF cards.