1. Versatile Playback Features: This cassette player includes fast forward and rewind functions, allowing you to quickly navigate through your tapes. Equipped with a magnetic head and motor, it ensures smooth playback and helps prevent tape tangling or sticking. 2. Easy Conversion to MP3: The tape player supports converting cassette recordings to digital o files. Connect via USB cable to transfer o to your computer for digitizing tapes into MP3 format, helping preserve your music collection in a modern digital form. 3. Portable Recording Capability: This multifunctional cassette player features built-in microphone recording, enabling you to capture voice notes or important messages on the go. It includes a 3.5mm headphone jack for private listening, and headphones are provided in the package. 4. Flexible Power Options: The device can be powered using two AA batteries (not included) or charged via the included USB-C cable with a 5V power source. Use either power method, but do not operate both simultaneously. 5. Compact Design: The cassette player is compact and lightweight, easily fitting into bags for portable use. Designed for everyday convenience, it features simple controls and intuitive operation. Portable Cassette Player with Built-in Mic, USB-C, Tape to Digital Conversion, and Headphone Jack Item Type: Cassette Player Sound Port: 3.5mm sound interface USB-C Port: For data transfer to computer and 5V power input Headphone Impedance: 32 ohms Headphone Output Power: 6.3kHz, 30mV to 80mV Tape Speed: 2980Hz to 3080Hz Flutter: 3kHz, 0.4% Product Dimensions: 10.4 x 8.9 x 3.6 cm / 4.1 x 3.5 x 1.4 in How to Use: Install batteries before use. Note: Do not record over tapes containing existing o content, as this may erase the original sound. Color: Black Material: Plastic Package Contents: 1 x Cassette Tape Player 1 x Headphone 1 x USB Cable 1 x English Instruction Manual Note: Lighting effects and display settings may cause slight variations between the image color and the actual product. Measurement may vary by +/- 1-3 cm.