Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Skullcandy Rail Wireless Earbuds. Please read this guide thoroughly to ensure optimal performance and longevity of your device. The earbuds feature a noise isolating fit for an immersive audio experience.
What's in the Box
Your Skullcandy Rail Wireless Earbuds package includes the following items:
- Rail True Wireless Earbuds
- Charging Case
- Ear Gels (Small, Medium, Large)
- User Manual
- USB-C Charging Cable
Product Overview
Familiarize yourself with the components of your Skullcandy Rail Wireless Earbuds.

Figure 1: Skullcandy Rail Wireless Earbuds in their charging case.

Figure 2: Front view of the Skullcandy Rail Wireless Earbuds.

Figure 3: Side view of the Skullcandy Rail Wireless Earbuds.

Figure 4: Back view of the Skullcandy Rail Wireless Earbuds.

Figure 5: Skullcandy Rail Wireless Earbuds in use.

Figure 6: Skullcandy Rail Wireless Earbuds charging case.
Official Product Videos
Watch this official video for additional information and a visual guide.
Video 1: Official product video showcasing the Skullcandy Rail True Wireless Earbuds.
Setup
1. Charging Your Earbuds
Before first use, fully charge your Skullcandy Rail Earbuds. Place both earbuds into the charging case. Connect the USB-C charging cable to the case and a power source. The LED indicator on the case will show charging status. A 10-minute Rapid Charge provides 2 hours of listening time. Total battery life is up to 42 hours with the charging case.
2. Bluetooth Pairing
- Ensure your earbuds are in the charging case and the lid is open.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Select "Skullcandy Rail" from the list of available Bluetooth devices.
- Once connected, you will hear an audio prompt confirming successful pairing.
Multipoint Pairing: The Skullcandy Rail supports connecting to two devices simultaneously. After pairing with the first device, put the earbuds back in the case, close the lid for a few seconds, then open it again. The earbuds will enter pairing mode. Connect to your second device. The earbuds will seamlessly transition between the two connected devices.
3. Optimal Fit
Achieving a secure and comfortable fit is crucial for sound quality and noise isolation. Experiment with the included Small, Medium, and Large ear gels to find the best seal for your ears. A proper seal enhances bass response and reduces external noise.
Operating Instructions
Controls
Your Skullcandy Rail Earbuds feature both hands-free voice control and tap controls.
- Hands-Free Voice Control: Utilize the Skull-iQ App to enable voice commands for media playback, Spotify App control, and other features without touching your earbuds or phone.
- Tap Controls:
- Single Press: Play/Pause music, Answer/End call.
- Double Press: Skip forward (Right earbud), Skip backward (Left earbud).
- Triple Press: Volume up (Right earbud), Volume down (Left earbud).
- 1-Second Hold: Activate voice assistant.
Skull-iQ App Features
Download the Skull-iQ App to unlock advanced features and customize your listening experience:
- Personal Sound by Mimi: Tailor the audio profile to your unique hearing.
- Stay-Aware Mode: Allows you to hear your surroundings while listening to audio.
- Customizable EQ: Fine-tune your equalizer settings for different music genres or personal preference.
Built-in Tile Finding Technology
Never lose your earbuds again. Register your Skullcandy Rail Earbuds in the Tile App to locate them if they are misplaced, whether nearby or far away.
Maintenance
Proper care ensures the longevity and performance of your earbuds.
- Cleaning: Regularly clean the ear gels and earbud surfaces with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The earbuds are IP55 sweat and water resistant. While they can withstand sweat and light splashes, they are not designed for submersion. Ensure they are dry before placing them back in the charging case.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged.
Troubleshooting
If you encounter issues with your Skullcandy Rail Earbuds, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing/connecting. |
|
| One earbud not working/cutting out. |
|
| Poor sound quality or low volume. |
|
| Battery drains quickly. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | Rail |
| Item Model Number | S2RLW-Q751 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.2 |
| Bluetooth Range | 10 Meters |
| Battery Life | Up to 42 Hours (with charging case) |
| Rapid Charge | 10 minutes charge = 2 hours listening |
| Water Resistance Level | IP55 (Sweat and Water Resistant) |
| Noise Control | Active Noise Cancellation |
| Frequency Response | 20 KHz |
| Sensitivity | 100 dB |
| Impedance | 16 Ohms |
| Control Type | Media Control, Touch, App, Voice |
| Microphone | Built-in |
| Weight | 48.5 Grams (total) / 1.71 ounces |
| Material | Plastic |
Warranty and Support
Warranty: Your Skullcandy Rail Wireless Earbuds are covered by a 1-Year USA Limited Warranty. Please retain your proof of purchase for warranty claims.
Support: For further assistance, product registration, or detailed warranty information, please visit the official Skullcandy website or contact their customer support. You can also refer to the full user guide included in your product packaging for more in-depth information.
For additional resources, visit the Skullcandy Store on Amazon.





