Connectivity and control Digital remote music control with precise song selection from a TF card using simple numbered keys Audio input function to connect with computers, MP3 players, phones, and other audio output devices Intelligent FM tuning FM smart tuning for easy station finding Digital song selection with a dedicated volume control knob for quick, comfortable listening adjustments Versatile playback Supports Bluetooth, USB, and TF card playback Automatic play function for uninterrupted listening Plays MP3 format files anytime, anywhere Rechargeable convenience Builtin rechargeable battery USB TypeC charging Up to 8 hours of operation on a single charge Use scenarios Home or office setup: use TF card or USB playback for offline music, or connect to a computer via the audio input for presentations or videos; easily switch between sources with the remote control On the go: portable wireless MP3 radio for commuting or outdoor listening, powered by the builtin battery for up to 8 hours Kitchen, workshop, or casual listening: convenient TF card playback with automatic play function for background music or alerts without frequent recharging