1. Product Overview
The MYPIN USB Cassette to MP3 Converter is a portable device designed to convert analog cassette tapes into digital MP3 files. This device allows you to preserve your old audio recordings without requiring a computer for the conversion process. It also functions as a standalone cassette player.

Figure 1: Front view of the MYPIN USB Cassette to MP3 Converter.
Key Features:
- Cassette to MP3 Conversion: Converts cassette tapes directly to MP3 files onto a USB flash drive. No computer is required for the conversion.
- Playback Function: Allows listening to cassette tapes or recorded MP3 files directly on the device.
- Volume Control: Adjustable volume during both recording and playback.
- Auto Reverse: Automatically switches tape sides during playback or conversion.
- Auto/Manual Mode: Option to save each song/segment as a separate MP3 file automatically or manually.
- USB Compatibility: Supports USB 2.0 and USB 3.0 flash drives (FAT, FAT32 formats up to 128GB).
- Power Options: Can be powered via USB port or 2x AA batteries.
- 3.5mm AUX Jack: For connecting headphones, earbuds, or external speakers.
2. Package Contents
Before setup, please ensure all items are present in the package:

Figure 2: Included accessories with the MYPIN USB Cassette to MP3 Converter.
- MYPIN Cassette to MP3 Converter
- USB to 3.5mm cable (for USB power)
- 3.5mm to 3.5mm audio cable
- Earphones
- User Manual
- Storage bag
3. Setup
3.1 Power Supply
The device can be powered in two ways:
- USB Power: Connect the provided USB cable to the device's DC 5V port and to a USB power source (e.g., computer USB port, USB wall adapter). USB power is generally more stable.
- Battery Power: Insert two (2) AA batteries (not included) into the battery compartment.

Figure 3: Battery and USB power options.
3.2 Inserting a Cassette Tape
- Open the cassette compartment cover.
- Insert your cassette tape into the compartment.
- Close the compartment cover securely.
3.3 Connecting a USB Flash Drive
To record or play MP3s, insert a USB flash drive (FAT or FAT32 format, up to 128GB) into the USB port on the side of the converter.

Figure 4: Inserting a USB flash drive.
3.4 Connecting Headphones or External Speakers
Plug the included earphones or your preferred 3.5mm audio device into the AUX jack for private listening or connecting to external speakers.
4. Operating Instructions
4.1 Controls Overview

Figure 5: Front and back controls of the converter.
4.2 Playing a Cassette Tape
- Insert a cassette tape and connect earphones or speakers.
- Press the PLAY button.
- Adjust the volume using the VOL +/- buttons.
- Use F.FWD (Fast Forward), REWIND, DIR (Change direction), and AUTO REVERSE as needed.
- Press STOP to end playback.
4.3 Recording to MP3 (No PC Required)
This device allows direct conversion of cassette audio to MP3 files on a USB flash drive.

Figure 6: Direct recording to USB flash drive.
- Ensure a USB flash drive is inserted and the device is powered.
- Insert the cassette tape you wish to convert.
- Select Recording Mode:
- Manual Mode (Default): Each recording session creates one MP3 file.
- Auto Mode: The converter will automatically detect pauses and save each song or segment as a separate MP3 file. To switch to Auto Mode, press and hold the "▸▸" button for 3-5 seconds until the LED turns blue. To switch back to Manual Mode, press and hold it until the LED turns green.
- Press the RECORD button. The LED indicator will flash (green for manual, blue for auto) to indicate recording is in progress.
- Press the RECORD button again to stop recording.
- The recorded MP3 files will be saved in a folder named "TAPEMP3" on your USB flash drive.
4.4 Editing Recorded MP3 Files
After recording, you can insert the USB flash drive into a computer to edit the audio files using software like Audacity.

Figure 7: Editing MP3 files on a computer.
4.5 Product Demonstration Video
Video 1: Official MYPIN product demonstration of the Cassette to MP3 Converter, showcasing its features and operation.
5. Maintenance
To ensure the longevity and optimal performance of your MYPIN USB Cassette to MP3 Converter, follow these general maintenance guidelines:
- Keep the device clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- When not in use for extended periods, remove the AA batteries to prevent leakage.
- Handle cassette tapes carefully to prevent damage, as worn tapes can affect recording quality.
6. Troubleshooting
6.1 Poor Audio Quality / Popping Sounds
- Check Cassette Condition: Very old, worn, or degraded cassette tapes may produce noise, hiss, or popping sounds during conversion. Ensure your tapes are in good condition.
- Power Source: If using batteries, ensure they are fresh. A stable USB power source is recommended for consistent performance.
- USB Drive Speed: A faster USB drive (4M-6M/S read rate) can improve performance and prevent recorded files from skipping.
- Audio Editing: Minor imperfections in recorded audio can sometimes be improved using audio editing software on a computer.
6.2 Device Not Powering On
- Check Batteries: Ensure AA batteries are correctly inserted and not depleted.
- USB Connection: Verify the USB power cable is securely connected to both the device and a working power source.
6.3 Recording Issues
- USB Drive Format: Ensure the USB flash drive is formatted to FAT or FAT32.
- USB Drive Capacity: Confirm the USB drive has sufficient free space.
- Recording Mode: Double-check that you are in the desired recording mode (Manual or Auto) and the LED indicator is flashing correctly.
7. Specifications
- Brand: MYPIN
- Model Number: PC000249-NCUSF
- Product Dimensions: 4.4"L x 3.2"W
- Item Weight: 9.4 ounces
- Material: Metal
- Interface Type: USB
- Audio Channel: Stereo L/R
- Bit Rate: 128Kbps
- Power: 2*AA Batteries, or by 5V DC adapter
- Storage: USB Flash Drive (FAT, FAT32 up to 128GB)
8. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact MYPIN customer support:
- Customer Support Email: support@imypin.com
Additional protection plans may be available for purchase:
- 2-Year Protection Plan
- 3-Year Protection Plan
- Complete Protect: One plan covers all eligible past and future purchases





