TF card expansion up to 128GB to meet your storage needs, allowing you to carry more ebooks, videos, and media on the device. 2.4inch full touch screen for convenient and accurate touch control, enabling quick navigation and precise input. Supports ebook reading and definition video playback, providing versatile entertainment and study options in one device. Builtin speaker for music playback without headphones, letting you enjoy audio content anytime, anywhere. Use scenarios On the go or during travel: expand storage with a TF card up to 128GB to carry a library of ebooks and video content. Use the 2.4inch touch screen for smooth reading and easy video browsing, offline playback included. In study or daily life: read ebooks and watch definition videos for learning or leisure. The builtin speaker lets you listen to audio content without needing external headphones. At home or with friends: enjoy music from the builtin speaker without extra accessories, suitable for casual listening in lounge areas or shared spaces.