1. Introduction
Thank you for choosing the Rulefiss X27 Wireless Earbuds. This manual provides detailed instructions on how to set up, operate, and maintain your earbuds to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.
2. Package Contents
Verify that all items listed below are present in your package:
- X27 Bluetooth 5.4 Earbuds (2 units)
- USB-C Charging Cable (1 unit)
- User Manual (English, Spanish, French, etc.) (1 unit)
- Charging Case (1 unit)
- Soft Silicone Ear Caps (6 units: L/M/S sizes)
3. Product Overview
The Rulefiss X27 Wireless Earbuds are designed for comfort and high-quality audio, featuring ear hooks for a secure fit, especially during physical activities. The charging case includes a dual LED display to monitor battery levels.
4. Charging the Earbuds and Case
To ensure optimal battery life, fully charge the earbuds and charging case before first use.
4.1 Charging the Earbuds
- Place the earbuds into the charging case. Ensure they are correctly seated.
- The LED indicators on the earbuds and case will show charging status.
- A full charge provides up to 15 hours of continuous playback.
4.2 Charging the Case
- Connect the USB-C charging cable to the charging port on the case and to a power source (e.g., USB wall adapter, computer USB port).
- The dual LED display on the case will show the charging percentage.
- The charging case provides up to 75 hours of total playtime for the earbuds.
- A 10-minute quick charge can provide approximately 2 hours of playback.
5. Pairing and Connection
The Rulefiss X27 earbuds utilize Bluetooth 5.4 technology for a stable and efficient connection.
5.1 Initial Pairing
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for available Bluetooth devices and select "X27" from the list.
- Once connected, a voice prompt will confirm successful pairing.
5.2 Automatic Reconnection
After initial pairing, the earbuds will automatically connect to the last paired device when removed from the charging case, provided Bluetooth is enabled on the device.
6. Wearing the Earbuds
The X27 earbuds are designed with flexible ear hooks and come with multiple ear tip sizes to ensure a comfortable and secure fit, especially during sports and active use.
- Choose the ear tips (S/M/L) that best fit your ear canal for optimal sound quality and comfort.
- Place the earbud into your ear, then gently adjust the ear hook over the top of your ear until it feels secure and comfortable.
7. Touch Controls
The earbuds feature sensitive touch controls for easy management of music, calls, and voice assistant functions.
| Action | Left Earbud (L) | Right Earbud (R) |
|---|---|---|
| Play/Pause | Click Once | Click Once |
| Next Track | Click Twice | Click Twice |
| Previous Track | Hold for 2 seconds | Hold for 2 seconds |
| Volume Up | N/A | Click Once (Volume +) |
| Volume Down | Click Once (Volume -) | N/A |
| Answer/End Call | Click Once | Click Once |
| Reject Call | Hold for 2 seconds | Hold for 2 seconds |
| Activate Voice Assistant (Siri) | Click Three Times | Click Three Times |
| Power On/Off | Hold for 5 seconds | Hold for 5 seconds |
8. Sound Quality and Noise Cancelling
The X27 earbuds are equipped with 14.2mm triple-layer diaphragm drivers for rich audio and feature Environmental Noise Cancellation (ENC) technology.
- Hi-Fi Sound: Experience full low-frequency rebound and clear high-mid-frequency sound.
- HD Calls: Four high-definition microphones enhance vocal clarity by 85% and reduce external noise by 60% during calls.
9. Water Resistance
The Rulefiss X27 earbuds are IPX7 waterproof, making them resistant to splashes and sweat. This makes them suitable for workouts, running, and gym activities.
Note: The charging case is not waterproof. Do not submerge the earbuds or charging case in water.
10. Maintenance and Care
- Clean the earbuds and charging case regularly with a soft, dry cloth.
- Remove ear tips and clean them with mild soap and water, then dry thoroughly before reattaching.
- Avoid using abrasive cleaners or solvents.
- Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Keep the charging contacts on both the earbuds and the case clean to ensure proper charging.
11. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing | Low battery; Bluetooth off; Out of range; Pairing error | Charge earbuds; Enable Bluetooth on device; Move closer to device; Delete "X27" from device's Bluetooth list and re-pair. |
| No sound from one earbud | Low battery; Connection issue | Ensure both earbuds are charged; Place both earbuds back in the case, close, then reopen to reset connection. |
| Charging case not charging | Faulty cable; Power source issue | Try a different USB-C cable; Use a different power adapter or USB port. |
| Touch controls unresponsive | Earbuds wet; Temporary glitch | Ensure earbuds are dry; Place earbuds back in case, close, then reopen to reset. |
12. Specifications
| Feature | Specification |
|---|---|
| Model Name | X27 |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth 5.4 |
| Bluetooth Range | 15 Meters (approx. 49 feet) |
| Audio Driver Size | 14.2 Millimeters |
| Battery Life (Earbuds) | Up to 15 Hours (single charge) |
| Total Playtime (with Case) | Up to 75 Hours |
| Charging Time | 1 Hour (for earbuds) |
| Water Resistance Level | IPX7 Waterproof |
| Control Method | Touch |
| Ear Placement | Over Ear |
| Form Factor | In Ear |
| Noise Control | Sound Isolation (ENC for calls) |
| Item Weight | 4.6 ounces |
| Product Dimensions | 1.97 x 0.98 x 1.18 inches |
13. Safety Information
- Do not disassemble or modify the product.
- Keep away from extreme temperatures, direct sunlight, and open flames.
- Avoid dropping or subjecting the earbuds to strong impacts.
- Keep out of reach of children and pets.
- Dispose of the product responsibly according to local regulations.
14. Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official Rulefiss store on Amazon. Keep your purchase receipt for warranty claims.
