4 in 1 MP3 Radio This device combines a radio with MP3 playback in four modes: auxiliary input, SD card, Bluetooth, and USB dongle. It is suitable for the kitchen, garden, or during travel, offering a retro Bluetooth radio experience with versatile playback options. Improved features Retro classic buttons provide a nostalgic vibe, reminiscent of the 90s. The unit functions as a radio cassette player and also acts as a recorder with a builtin microphone, allowing you to record and listen back your performance. Tape to Disk and Disk to Tape transcription Bluetooth, tape, and radio content can be transcribed to a USB disk. USB or Bluetooth content can be transcribed to tape. Package contents AM, FM, and Shortwave (SW) radio Charging cable Auxiliary cord Builtin 1800 mAh nonremovable rechargeable battery User manual with detailed usage instructions