Introduction
Thank you for choosing GEEKRIA 3.5mm Wired Earbuds. These earbuds are designed to provide a versatile audio experience for gaming and mobile use, featuring an integrated microphone and volume control. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.
Package Contents
- 1 x GEEKRIA EJL21-01 3.5mm Wired Earbuds
Product Overview
The GEEKRIA EJL21-01 earbuds feature a 3.5mm audio jack for wide compatibility, an inline remote control with volume adjustment, and a built-in microphone for clear communication.

Image 1: Overview of the GEEKRIA EJL21-01 Wired Earbuds, showing the earbuds, inline remote control, and 3.5mm jack.

Image 2: Close-up of the earbuds, highlighting the Thermoplastic Elastomer (TPE) material used for durability and flexibility.
Video 1: Official GEEKRIA video demonstrating the features and use of the Wired Gaming Earphones.
Setup
- Identify the Audio Port: Locate the 3.5mm audio jack on your device (e.g., game controller, laptop, smartphone). This is typically a circular port.
- Connect the Earbuds: Insert the 3.5mm jack of the GEEKRIA earbuds firmly into the audio port of your device. Ensure it is fully seated to establish a proper connection.
- Adjust Volume: Once connected, adjust the volume using the inline remote control or your device's volume settings.
- Position Earbuds: Place the earbuds comfortably in your ears. The ergonomic design and soft earplugs are intended for a secure and comfortable fit during extended use.

Image 3: Proper placement of the earbud in the ear and connection to a gaming controller.
Operating Instructions
The inline remote control allows for easy management of calls and music playback.

Image 4: Detailed diagram of the inline remote control buttons and their functions for call and music management.
Call Control
- Answer Call: Press the center button once.
- Reject Call: Long press the center button once.
- End Call: Press the center button once during a call.
Music Control
- Play/Pause: Press the center button once.
- Next Track: Press the center button twice.
- Previous Track: Press the center button three times.
Volume Control
- Increase Volume: Press the '+' button.
- Decrease Volume: Press the '-' button.
Compatibility
The GEEKRIA EJL21-01 earbuds are designed for broad compatibility with various devices featuring a 3.5mm audio jack.

Image 5: Visual representation of device compatibility, including various gaming controllers and VR headsets.
- Gaming Consoles: Compatible with PS4 (DualShock 4), PS5 (DualSense Wireless Controller), Xbox One (New Xbox One Controller, Xbox Elite Wireless Controller Series 2), Google Stadia, Luna Controller, Sony PlayStation VR 2.
- Computers: Works with PCs and Laptops.
- Mobile Devices: Connects to Tablets and Mobile Phones.
Maintenance
- Cleaning: Gently wipe the earbuds and cable with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use, store the earbuds in a clean, dry place, away from extreme temperatures and direct sunlight. Avoid tangling the cable.
- Cable Care: Do not pull the cable forcefully or bend it sharply, especially near the connectors, to prevent internal damage.
- Water Exposure: These earbuds are not water-resistant. Avoid exposure to water or excessive moisture.
Troubleshooting
No Sound or Low Volume
- Ensure the 3.5mm jack is fully inserted into the device's audio port.
- Check the volume levels on both the inline remote and your connected device.
- Test the earbuds with another device to rule out a device-specific issue.
- Inspect the cable for any visible damage or kinks.
Microphone Not Working
- Verify that the microphone is not muted on your device or in the application you are using.
- Ensure the earbuds are fully connected to the device.
- Check your device's audio settings to confirm the correct input device (microphone) is selected.
- Test the microphone with another device or application.
Poor Sound Quality
- Ensure the audio source is of good quality.
- Clean the earbud tips and ensure they are properly seated in your ears for optimal sound isolation.
- Try adjusting the equalizer settings on your device, if available.
Specifications
| Model Name | EJL21 |
| Connectivity Technology | Wired |
| Headphones Jack | 3.5 mm Jack |
| Cable Length | 3.9 feet (120 cm) |
| Control Type | Volume Control, Inline Microphone |
| Material | Thermoplastic Elastomer (TPE) |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Item Weight | 0.53 ounces (15 Grams) |
| Product Dimensions | 47.24 x 0.12 x 0.12 inches |
| Water Resistance Level | Not Water Resistant |
| Included Components | Headphone |
Important Safety Information
- Hearing Protection: Avoid listening at high volume levels for extended periods to prevent hearing damage.
- Environmental Awareness: Do not use earbuds in situations where inability to hear ambient sounds could be dangerous, such as while driving, cycling, or walking in traffic.
- Choking Hazard: Keep earbuds and small parts away from children and pets.
- Proper Disposal: Dispose of the product according to local regulations. Do not dispose of with household waste.
Warranty and Support
For warranty information, technical support, or customer service inquiries, please refer to the contact information provided with your purchase or visit the official GEEKRIA website. Please retain your proof of purchase for warranty claims.