Independent tone controls for precise sound shaping: Treble, bass and master volume can be adjusted independently to tailor the audio to your preference and room conditions. MP3 playback from TF card or USB flash drive: Read and play MP3 files directly from a TF card or USB flash drive for flexible offline listening. AUX input for wired devices: A dedicated AUX input port lets you easily connect to a PC, phone, or CD player for wired playback. Built in Bluetooth receiver and FM radio: Stream audio wirelessly from Bluetooth enabled devices and access FM radio for local broadcasts. Broad compatibility and convenient connectivity: Supports MP3 playback from TF cards and USB drives; compatible with AUX, Bluetooth sources, and standard audio devices. Practical use scenarios: Desktop or home office setup: Connect to a computer or phone via AUX or Bluetooth, adjust treble, bass, and master volume to suit your workflow and distractions. Bedroom or small living space: Use TF card or USB drive to play MP3s directly; fine tune sound with independent EQ controls for comfortable listening. Casual listening in a small gathering: Stream music via Bluetooth from a smartphone or tablet, or switch to FM radio when preferred, while maintaining control over tone and volume.