Introduction: With this cassette to MP3 converter, you can easily convert your old tapes to MP3 without a computer. Simply plug in a USB flash drive (or a USB card reader with a memory card), press the "record" button, and the device will automatically convert all the music from the tape to your USB flash drive in MP3 format. You can also play back audio directly on the device or transfer the recorded files to other devices such as a computer, portable speaker, or mobile phone for playback. Conversion format: MP3 Power supply: 2xAA batteries or USB port power (USB 5V/0.5A), DC3V USB flash drive: Supports FAT, FAT32, and exFAT formats; not compatible with NTFS. Recommended capacity is 32GB or less Audio channel: Stereo L/R Bit rate: 128Kbps Material: Plastic Color: White Package Contents: 1 x Cassette to MP3 Converter (label design random, specific label cannot be selected) 1 x USB to 3.5mm cable for power 1 x English instruction manual Only the above items are included; other products are not included Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance is +/- 1-3 cm.