Convenient Cassette to MP3 Conversion: The Portable USB Cassette to MP3 Player allows you to effortlessly convert your cherished cassette tapes into digital files like MP3 or WAV, preserving your favorite nostalgic music for years to come. Versatile Tape Player Functionality: This versatile Cassette Player not only plays your treasured audio cassettes but also features the ability to record external audio onto blank tapes, making it the perfect tool for capturing sounds and memories. Attention, please do not use cassette tapes with audio to record, as this wash away the audio on the original tape. Built-In Microphone for Easy Recording: With a built-in microphone, this Tape to MP3 Converter enables you to record your voice or ambient sounds directly onto tape. You can instantly playback the recorded audio, bringing your recordings to life. Multiple Power Options for Flexibility: Enjoy the flexibility of powering the MP3 Cassette Player Adapter using 2 AA batteries (not included) or a USB 5V DC power source, ensuring you can enjoy your music anywhere, anytime. Compact Design with Retro Headphones Included: The sleek design of this Cassette Tape Player makes it easy to carry in any bag. It comes with stylish wired retro headphones, providing an authentic '80s as you relive your favorite tunes . Rated Power: 3W Headphone Impedance: 32 Ω Earphone Output Power: 6.3KHZ, 30MV-80MV Belt Speed: 2980HZ-3080HZ & Flutter: 3KHZ, 0.4% Recording Information: MP3,128Kbps Audio Input: Cassette player/recording microphone Audio Output: Earphone (3.5mm stereo jack,as earphone port) System Requirements: USB 2.0 interface, Pentium 4 CPU or above, 512MB memory or above, 1GB hard drive capacity, CD installable Input Voltage: DC 5V Power Supply: 2 * AA Battery (Not included) or Type-C USB Cable Item Size: 11.6 x 9 x 3.3 cm/4.6 x 3.5 x 1.3 inch Color: