The Portable Radio Box Stereo Boombox Multisource compatibility: SD slot, USB port, and 3.5 mm auxin provide flexible access to music from memory cards, USB drives, or wired devices for uninterrupted listening sessions. Versatile playback options: play cassette tapes, enjoy AM/FM radio, or connect via Bluetooth to stream digital music from your phone through the speakers. Personalization and voice capture: builtin microphone and recording function let you capture audio. Powerful sound with visual feedback: Bass Boost offers strong low end performance and the dual VU meters provide a live visual reference of output. Use scenarios Family listening in the living space: switch between radio for news, cassette for retro tunes, and Bluetooth streaming from a phone for modern playlists without changing devices. Outdoor or shared spaces: bring the boombox to the backyard, patio, or small gathering to play music from multiple sources via SD, USB, or Bluetooth, keeping everyone engaged. Creative recording sessions: use the builtin microphone to record voices or ambient sounds.