Introduction
The Zerone MSR90 USB Magnetic Stripe Card Reader is a compact and efficient device designed for reading magnetic stripe cards. It functions as a USB emulation keyboard interface, requiring no additional drivers or software for operation. This reader is compatible with various systems, including TXT, Word, Excel, and POS systems, making it a versatile tool for businesses.
The MSR90 is engineered with a high-integrated magnetic card decoding chip, ensuring low power consumption and strong interference resistance. It fully complies with ISO-7811 and 7812 magnetic card decoding standards and supports bi-directional card reading. An intelligent light indicator provides feedback on successful card data reads. Its patented exquisite magnetic installation structure enhances reading stability and reliability.

Image: The Zerone MSR90 USB Magnetic Stripe Card Reader, a compact black device with an integrated USB cable.
Key Features
- Driver-Free Operation: Functions as a USB emulation keyboard interface, eliminating the need for driver installation.
- Wide Compatibility: Works seamlessly with TXT, Word, Excel, POS systems, and other keyboard-type applications.
- Bi-directional Reading: Capable of reading magnetic cards by swiping in either direction.
- Intelligent Indicator: Features a light to confirm successful card data reads.
- Low Power Consumption: Designed for energy efficiency.
- Strong Interference Resistance: Ensures reliable performance in various environments.
- Compact Design: Small and portable for easy integration into any setup.
- ISO-7811/7812 Compliant: Adheres to international standards for magnetic card decoding.

Image: Depicts various application environments for the card reader, including beauty clubs, supermarkets, hotels, and bars, highlighting its versatility.
Package Contents
Please verify that all items listed below are present in your package:
- 1 x Zerone MSR90 USB Magnetic Stripe Card Reader
Setup
- Connect to USB Port: Locate an available USB port on your computer or POS system. Insert the USB connector of the MSR90 card reader firmly into the USB port.
- System Recognition: The operating system should automatically detect and recognize the device as a standard keyboard input device. No additional drivers or software installation is required.
- Ready for Use: Once recognized, the device is ready for immediate use. You can open any text editor, spreadsheet, or POS application to test its functionality.
Operating Instructions
- Prepare the Card: Ensure the magnetic stripe on the card is clean and free from debris.
- Orient the Card: Hold the card with the magnetic stripe facing towards the indication arrow on the reader. The reader supports bi-directional swiping, meaning you can swipe from either side.
- Swipe the Card: Insert the card into the slot and swipe it smoothly and consistently through the reader.
- Observe Indicator Light: A green indicator light on the reader will illuminate briefly to confirm a successful read. If the light does not illuminate or flashes red (if applicable), the read may have failed.
- Data Output: The data from the magnetic stripe will be outputted directly to the active application as if it were typed via a keyboard. Ensure your cursor is in the desired input field before swiping.

Image: Illustrates how to swipe a card through the reader, emphasizing that the magnetic strip should face the indication arrow and can be swiped from either side.

Image: Shows a hand holding the card reader with a card inserted, indicating that users can customize start/end symbols, enter, beeper, or character replacement settings.
Maintenance
- Cleaning: Regularly clean the magnetic head of the reader using a specialized magnetic head cleaning card or a soft, lint-free cloth lightly dampened with isopropyl alcohol. Ensure the device is disconnected from power before cleaning.
- Storage: Store the reader in a cool, dry place away from direct sunlight and strong magnetic fields when not in use.
- Handling: Avoid dropping the device or subjecting it to strong impacts, which could damage internal components.
- Cable Care: Do not bend or crimp the USB cable excessively. Always grasp the plug, not the cable, when disconnecting.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No data output after swiping. |
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| Incorrect characters or garbled data. |
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| Device not recognized by computer. |
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Specifications
| Attribute | Value |
|---|---|
| Model Number | Emartes04awb1ixt |
| Interface | USB (Keyboard Emulation) |
| Reading Capability | Tracks 1, 2, 3 (Bi-directional) |
| Compliance | ISO-7811, 7812 |
| Product Dimensions | 5.31 x 2.56 x 1.57 inches (13.5 x 6.5 x 4 cm) |
| Item Weight | 2.89 ounces (82 grams) |
| Color | Black |

Image: Displays the dimensions of the credit card reader, showing its length as 9cm/3.54in and width/height as 3cm/1.18in.
Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Zerone customer service through the retailer where the product was acquired. You may also visit the official Zerone store on Amazon for further assistance and product information.
Zerone Store Link: Visit the Zerone Store on Amazon