Portable Radio Cassette and Boombox Features SD slot, USB port, 3.5 mm auxin, and headphone jack for flexible playback and private listening. You can play music from an SD card or connect an external device via USB or auxin. Bluetooth connectivity lets you pair compatible devices for wireless playback. Vintage Aesthetic Retro Bluetooth speaker cassette player with AM/FM radio for classic functionality. Includes a builtin tape player and recorder. The builtin recorder can capture live radio broadcasts onto an SD card or USB for later listening. Nostalgic Sound Experience Builtin stereo speakers deliver clear sound that complements the retro design. Creates a warm, nostalgic atmosphere ideal for gatherings with friends and family. Classic Design with Modern Technology Tape player controls include play, stop, pause, rewind, fast forward, record, and eject for intuitive operation. Combines classic charm with modern usability and convenience. Use scenarios Home listening and private listening: play playlists from SD or USB, connect a phone or device via auxin, or listen through headphones. Recording and archiving: use the builtin recorder to capture live radio broadcasts onto SD or USB. Social and themed events: enjoy vintage music and ambiance at family gatherings, parties, or retrothemed occasions.