1. Introduction
This user manual provides detailed instructions for the proper use and maintenance of your Eyoyo Barcode Scanner. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity. This scanner is designed for efficient and reliable scanning of both 1D and 2D barcodes in various environments.
2. Product Overview
2.1 Components
The Eyoyo Barcode Scanner system typically includes the handheld scanner unit, a USB receiver (for 2.4G wireless mode), and a USB cable for wired connection and charging.

Image: The Eyoyo handheld barcode scanner and its accompanying USB receiver.

Image: Close-up of the compact Eyoyo USB receiver and the small USB dongle.

Image: The ergonomic design of the Eyoyo handheld barcode scanner with its red scanning light active.
2.2 Key Features
- USB Plug and Play Design: Eliminates complex setup, allowing for immediate use with Windows, macOS, Linux, PC, and POS systems.
- Enhanced 1D/2D Scanning Performance: Omni-directional scanning capability for quick and accurate capture of various barcode types, including UPC-A, UPC-E, EAN-8, EAN-13, ISBN, ISSN, Code 128, GS1-128, MSI Plessey, GS1 DataBar 14, GS1 DataBar Limited, QR Code, Micro PDF 417, and Aztec.
- 24-hour Non-stop Working: Designed for continuous operation without the need for frequent charging when used in wired mode.
- Durability Design: Engineered to withstand multiple 5 ft (1.5m) drops to concrete, ensuring reliability in demanding environments.
- Effortless Scanning from Smartphone Screens: Capable of reading digital barcodes from mobile devices, supporting mobile coupons, online tickets, and loyalty cards.
- 3-in-1 Connection Modes: Supports Wired (USB), 2.4G Wireless, and Bluetooth 4.1 connections for versatile use.
- Ultra Mini Pocket Design: Compact and lightweight (35g / 1.23oz, 3.07x1.50x0.47 inch) for portability.
- Super Long Transmission Distance: Up to 98ft (30m) in barrier-free 2.4G wireless mode and 164ft (50m) in barrier-free Bluetooth 4.1 mode.

Image: Illustration detailing the three available connection modes: Wired USB, 2.4G Wireless, and Bluetooth 4.1, connecting to various devices.

Image: Visual representation of the transmission ranges for 2.4G wireless (up to 98ft) and Bluetooth 4.1 (up to 164ft) in different environments.

Image: The compact and lightweight design of the Eyoyo scanner receiver, highlighting its portability with dimensions and weight.
3. Setup
3.1 Wired Mode (USB Connection)
- Connect the USB cable to the scanner's port.
- Plug the other end of the USB cable into an available USB port on your computer or POS system.
- The scanner will be recognized automatically as a keyboard device. No driver installation is typically required.
- The scanner is ready for use.

Image: The Eyoyo barcode scanner connected to a point-of-sale (POS) system via its USB cable, illustrating its plug-and-play functionality.
3.2 2.4G Wireless Mode
- Plug the USB receiver into an available USB port on your computer or POS system.
- Turn on the barcode scanner. It should automatically pair with the receiver.
- If pairing does not occur automatically, refer to the quick start guide included with your product for specific pairing instructions (usually involves scanning a pairing barcode).
3.3 Bluetooth 4.1 Mode
- Ensure the scanner is charged and powered on.
- Activate Bluetooth on your host device (smartphone, tablet, computer).
- Put the scanner into Bluetooth pairing mode (refer to the quick start guide for specific instructions, often by scanning a special barcode).
- On your host device, search for available Bluetooth devices and select "Eyoyo Scanner" (or similar name) to connect.
- Once connected, the scanner is ready for use.
4. Operating Instructions
4.1 Scanning Barcodes
- Point the scanner's light beam at the barcode you wish to scan.
- Press the trigger button.
- A successful scan is typically indicated by an audible beep and/or a visual confirmation (e.g., green light).
- Ensure the barcode is within the scanner's optimal reading range and angle for best results.

Image: The Eyoyo scanner actively scanning various 1D and 2D barcodes, including a QR code, demonstrating its superior capability on both printed materials and digital screens.
4.2 Scanning from Digital Screens
The Eyoyo Barcode Scanner is capable of reading barcodes directly from smartphone screens, tablets, and computer monitors. This feature is useful for scanning mobile coupons, digital tickets, and loyalty cards.
- Ensure the screen brightness is sufficient.
- Hold the scanner at an appropriate distance and angle to the screen.
- Press the trigger button to scan.

Image: A customer using the Eyoyo barcode scanner to read a QR code from a smartphone screen at a cafe counter, highlighting its 24-hour continuous use capability.
5. Maintenance
5.1 Cleaning
- To clean the scanner's exterior, use a soft, damp cloth.
- Do not use abrasive cleaners or solvents, as these can damage the device.
- For the scanning window, use a lint-free cloth and a mild glass cleaner if necessary. Ensure no liquid enters the device.
5.2 Storage
Store the scanner in a cool, dry place away from direct sunlight and extreme temperatures. When not in use for extended periods, ensure the device is fully charged before storage.
5.3 Durability
The Eyoyo Barcode Scanner is built for durability, designed to withstand drops from up to 5 feet (1.5 meters) onto concrete. While robust, avoid intentional drops or impacts to prolong the device's lifespan.
6. Troubleshooting
- Scanner Not Responding:
- Check cable connections for wired mode.
- For wireless modes, ensure the receiver is properly plugged in or Bluetooth is paired.
- Verify the scanner is charged and powered on.
- Try restarting the scanner and the host device.
- Cannot Read Barcodes:
- Ensure the barcode is clean, undamaged, and clearly printed.
- Adjust the distance and angle between the scanner and the barcode.
- Check screen brightness if scanning from a digital display.
- Confirm the scanner is configured to read the specific barcode type (e.g., 1D, 2D, QR). Refer to the quick start guide for configuration barcodes.
- Data Transmission Issues:
- For wireless connections, ensure the scanner is within range of the receiver or host device.
- Minimize interference from other wireless devices.
- If using Bluetooth, ensure no other devices are actively connected to the scanner.
7. Specifications
| Feature | Detail |
|---|---|
| Model | EY-034Y |
| Brand | Eyoyo |
| Connectivity | Wired (USB), 2.4G Wireless, Bluetooth 4.1 |
| Supported OS | Windows, macOS, Linux |
| Barcode Types | 1D: UPC-A, UPC-E, EAN-8, EAN-13, ISBN, ISSN, Code 128, GS1-128, MSI Plessey, GS1 DataBar 14, GS1 DataBar Limited. 2D: QR Code, Micro PDF 417, Aztec. |
| Drop Resistance | Withstands multiple 5 ft (1.5m) drops to concrete |
| 2.4G Wireless Range | Up to 98ft (30m) in barrier-free environment |
| Bluetooth 4.1 Range | Up to 164ft (50m) in barrier-free environment |
| Dimensions (Receiver) | Approx. 3.07 x 1.50 x 0.47 inches |
| Weight (Receiver) | Approx. 35g / 1.23oz |
8. Warranty and Support
Eyoyo products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your product or visit the official Eyoyo website. For technical support, troubleshooting assistance, or any inquiries regarding your Eyoyo Barcode Scanner, please contact Eyoyo customer service. Contact details can typically be found on the product packaging or the official Eyoyo website.
You can visit the Eyoyo Store on Amazon for more product information and support resources.





