1. Introduction
Thank you for choosing the Rulefiss X27 Bluetooth 5.4 Sport Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with advanced features such as Bluetooth 5.4 connectivity, Environmental Noise Cancellation (ENC), IPX7 waterproofing, and a long-lasting battery. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
2. Safety Information
- Do not disassemble or modify the earbuds or charging case.
- Keep the device away from extreme temperatures, humidity, and corrosive materials.
- Avoid prolonged exposure to high volume levels to prevent hearing damage.
- Clean the earbuds and charging case with a soft, dry cloth. Do not use harsh chemicals.
- Dispose of the device and its battery responsibly according to local regulations.
3. Package Contents
Please check the package for the following items:
- Rulefiss X27 Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- Silicone Ear Tips (S, M, L sizes)
- User Manual
Image: Package contents including earbuds, charging case, USB-C cable, and various ear tip sizes.
4. Product Overview
The Rulefiss X27 earbuds feature an ergonomic design with ear hooks for secure fit, especially during sports. The charging case includes a dual LED display to show battery levels.
Image: Rulefiss X27 earbuds in their charging case, displaying battery percentages.
Image: Dual LED power display on the charging case, indicating battery percentage for the case and charge status for each earbud.
5. Setup
5.1 Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The LED display on the case will show the charging status. A full charge for the case takes approximately 1.5 hours.
- The earbuds will charge automatically when placed in the powered case.
Image: Battery life overview, showing 75 hours total with the charging case and 15 hours per earbud on a single charge.
5.2 Pairing with a Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for available Bluetooth devices and select "X27" from the list.
- Once connected, a voice prompt will confirm successful pairing.
- The earbuds will automatically reconnect to the last paired device when taken out of the case.
Image: Illustration of the Bluetooth 5.4 chip within the earbud, indicating improved connection speed and stability.
6. Operating Instructions
6.1 Power On/Off
- Power On: Open the charging case, and the earbuds will power on automatically. Alternatively, press and hold the touch area on both earbuds for 2 seconds.
- Power Off: Place the earbuds back into the charging case and close the lid. Alternatively, press and hold the touch area on either earbud for 5 seconds.
6.2 Touch Controls
The Rulefiss X27 earbuds feature smart touch controls on each earbud. Refer to the diagram below for specific functions:
Image: Detailed touch control guide for left (L) and right (R) earbuds, illustrating actions like holding for 2s for previous/next track, single click for volume, triple click for Siri, single click for answer/end call, double click for play/pause, and holding for 5s for power off.
- Play/Pause: Double-click the touch area on either earbud.
- Volume Up/Down: Single-click the right earbud for volume up, single-click the left earbud for volume down.
- Next Track: Hold the right earbud for 2 seconds.
- Previous Track: Hold the left earbud for 2 seconds.
- Answer/End Call: Single-click the touch area on either earbud.
- Reject Call: Hold the touch area on either earbud for 2 seconds.
- Activate Voice Assistant (Siri/Google Assistant): Triple-click the touch area on either earbud.
6.3 Wearing the Earbuds
Select the appropriate silicone ear tips (S/M/L) for a comfortable and secure fit. The ergonomic ear hooks are designed to keep the earbuds stable during physical activity.
Image: A person wearing the earbuds, highlighting the flexible ear hooks and the IPX7 waterproof feature, suitable for sports and sweat resistance.
7. Maintenance
- Regularly clean the ear tips and the mesh covers of the earbuds with a soft, dry, lint-free cloth to prevent wax buildup and maintain sound quality.
- Wipe the charging contacts on both the earbuds and the case to ensure proper charging.
- Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Avoid exposing the earbuds or case to liquids, although they are IPX7 rated, prolonged submersion is not recommended.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing | Earbuds not in pairing mode; Bluetooth off on device; out of range. | Ensure earbuds are out of the case and in pairing mode. Turn on Bluetooth on your device. Move closer to the device. |
| Only one earbud working | Low battery on one earbud; improper connection. | Place both earbuds back into the charging case, close the lid, then take them out again. Ensure both are charged. |
| Cannot charge earbuds/case | Dirty charging contacts; faulty cable/adapter. | Clean charging contacts on earbuds and case. Try a different USB-C cable and power adapter. |
| Poor sound quality | Ear tips not sealed; low battery; interference. | Try different sized ear tips for a better seal. Charge the earbuds. Move away from sources of interference. |
| Touch controls unresponsive | Temporary software glitch; dirty touch area. | Restart the earbuds by placing them in the case and taking them out. Clean the touch area. |
9. Specifications
| Feature | Detail |
|---|---|
| Model | X27 |
| Brand | Rulefiss |
| Bluetooth Version | 5.4 |
| Noise Control | Environmental Noise Cancellation (ENC) |
| Water Resistance | IPX7 (Waterproof) |
| Earbud Battery Life | Up to 15 hours (single charge) |
| Total Playtime (with case) | Up to 75 hours |
| Charging Time (Case) | Approx. 1.5 hours |
| Charging Interface | USB-C |
| Control Method | Touch |
| Earbud Weight | Approx. 7 grams per earbud |
| Compatible Devices | Bluetooth-enabled devices (iOS/Android smartphones, tablets, laptops) |
10. Warranty and Support
10.1 Warranty Information
Rulefiss products are covered by a standard manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included in your package or contact customer support for specific warranty terms and conditions.
10.2 Customer Support
If you encounter any issues or have questions regarding your Rulefiss X27 earbuds, please contact our customer support team. Contact details can typically be found on the product packaging or the official Rulefiss website.
