2.4 inch color touch screen: read data smoothly and enjoy a more comfortable user experience with an intuitive interface. Largecapacity lithium battery: builtin power source that supports longer operation and reduces the risk of power interruptions during use. Design and connectivity: supports the TYPEC interface upgrade program, 3.5 mm stereo audio output, and 3.5 mm audio FM antenna interface, with a maximum charging current of 1.5 A. Function: radio search and direct frequency input via the digital keyboard for quick and precise station access. Use scenarios Daily listening and quick station access: use radio search or direct frequency input on the digital keyboard to find stations efficiently, guided by the clear 2.4 inch display. Field work or extended sessions: rely on the builtin largecapacity battery for longer operation between charges; recharge via TYPEC up to 1.5 A when needed. Car or desk setup: connect external speakers through the 3.5 mm stereo output or improve reception with the 3.5 mm FM antenna interface for better audio and signal quality.