1. Introduction
Thank you for choosing the Rulefiss I27 Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with advanced features such as Bluetooth 5.3 connectivity, IP7 waterproofing, and an ergonomic design suitable for sports. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
Image: Rulefiss I27 Wireless Earbuds in their open charging case, showcasing the earbuds and the digital display.
2. Package Contents
Please verify that all items listed below are included in your package:
- Rulefiss I27 Wireless Earbuds (L/R)
- Charging Case
- USB Type-C Charging Cable
- Multiple Sizes of Eartips
- User Manual
Image: An illustration showing the Rulefiss I27 earbuds, charging case, USB-C cable, and extra eartips.
3. Product Overview
The Rulefiss I27 earbuds feature an ergonomic ear-hook design for secure fit during physical activity, smart touch controls, and a charging case with a dual LED digital display for battery status.
Image: A diagram illustrating the touch control areas on the earbuds, LED indicator, microphone, and USB-C charging port on the case.
Key Features:
- Bluetooth 5.3 Technology: Provides stable and efficient wireless connection.
- Dual LED Digital Display: Shows battery percentage of the charging case and charging status of individual earbuds.
- IP7 Super Waterproof: Designed to withstand immersion in water up to 1 meter for 30 minutes, suitable for sports and outdoor activities.
- Ergonomic Earhooks: Ensures a secure and comfortable fit during strenuous exercise.
- Hi-Fi Stereo Sound: Features 11mm dynamic drivers for clear and balanced audio.
- Active Noise Cancellation: Reduces ambient noise for an immersive listening experience.
4. Setup
4.1 Charging the Earbuds and Case
Before first use, fully charge both the earbuds and the charging case.
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the provided USB Type-C cable to the charging port on the case and plug the other end into a USB power adapter (not included).
- The dual LED digital display on the case will show the battery percentage of the case. The LED bars for each earbud will flash during charging and turn off when fully charged.
Charging Times:
- Charging Case: Approximately 2 hours
- Earbuds: Approximately 1.5 hours
Image: The charging case with earbuds inside, displaying '100' for case power and flashing bars for earbud charging status.
Image: An illustration showing 6 hours of playtime on a single charge and 42 hours total playtime with the charging case.
4.2 Pairing with Your Device (One-Step Pairing)
The earbuds utilize a one-step pairing process for convenience.
- Ensure your device's Bluetooth is turned off initially.
- Open the charging case and remove both earbuds. They will automatically power on and enter pairing mode, indicated by a flashing LED light on one of the earbuds.
- On your smartphone or other Bluetooth-enabled device, go to the Bluetooth settings and turn on Bluetooth.
- Search for available devices and select "i27" from the list.
- Once connected, the LED indicator on the earbuds will turn off, and you will hear a confirmation prompt.
After the initial successful connection, the earbuds will automatically connect to the last paired device when removed from the charging case.
Image: Two earbuds next to a smartphone displaying its Bluetooth settings with "i27" selected for connection.
5. Operating Instructions
5.1 Wearing the Earbuds
Choose the correct size of eartips for a comfortable and secure fit. The ear-hook design helps keep the earbuds in place during movement.
- Identify the left (L) and right (R) earbuds.
- Gently insert the earbud into your ear canal.
- Adjust the ear-hook over your ear until it feels secure and comfortable.
Image: A woman wearing the Rulefiss I27 earbud, demonstrating the ergonomic fit and ear-hook design. An inset shows a close-up of the earbud and ear-hook with an IP7 waterproof icon.
5.2 Touch Controls
The earbuds feature smart touch controls on the outer surface of each earbud.
| Action | Left Earbud (L) | Right Earbud (R) |
|---|---|---|
| Play/Pause | Single Tap | Single Tap |
| Next Track | Hold for 2s | |
| Previous Track | Hold for 2s | |
| Volume Down | Single Tap | |
| Volume Up | Single Tap | |
| Answer/End Call | Tap Twice | Tap Twice |
| Reject Call | Hold for 2s | Hold for 2s |
| Activate Voice Assistant (Siri) | Quickly Triple Tap | Quickly Triple Tap |
Image: An illustration showing a finger triple-tapping an earbud to activate a voice assistant like Siri on a smartphone.
6. Maintenance
Proper maintenance ensures the longevity and performance of your earbuds.
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Water Exposure: While the earbuds are IP7 waterproof, ensure they are completely dry before placing them back into the charging case to prevent damage to the charging contacts.
- Storage: Store the earbuds in their charging case when not in use to protect them from dust and physical damage. Store in a cool, dry place away from extreme temperatures.
- Battery Care: To preserve battery life, avoid fully discharging the earbuds and charging case frequently. Charge them regularly, even if not in constant use.
7. Troubleshooting
If you encounter any issues with your Rulefiss I27 earbuds, please refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing with device. |
|
| Only one earbud is working. |
|
| Low volume or poor sound quality. |
|
| Charging case not charging. |
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | I27 |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Profiles Supported | HFP, SPP, A2DP, AVRCP |
| Transmission Distance | Up to 15 meters |
| Material | Plastic |
| Specific Uses For Product | Sports and Exercise |
| Compatible Devices | iOS Phones (iPhone 13/12/11/X/8/7/6/5 series), Android, Windows |
| Control Type | Media Control, Touch |
| Item Weight | 76 Grams (2.68 ounces) |
| Water Resistance Level | IP7 Waterproof |
| Product Dimensions | 3.28 x 2.26 x 1.28 inches |
| Battery Type | 2 Lithium Polymer batteries (included) |
| Music Playtime (Single Charge) | Up to 6 hours |
| Total Playtime (with Charging Case) | Up to 42 hours |
| Talking Time | Up to 5 hours |
| Standby Time | Up to 60 hours |
| Charging Case Charging Time | Approx. 2 hours |
| Headset Charging Time | Approx. 1.5 hours |
| Headset Charging Power | DC 3.7 V |
| Noise Control | Active Noise Cancellation |
| Manufacturer | Rulefiss |
Image: The back of the product packaging displaying detailed technical parameters for the I27 earbuds.
9. Warranty and Support
Rulefiss is committed to providing high-quality products and customer service.
- Warranty: This product comes with a 2-year warranty from the date of purchase.
- Returns/Exchanges: A 30-day return and exchange policy is available.
- Customer Support: For any questions, technical support, or warranty claims, please contact Rulefiss customer service.
Image: An illustration highlighting Rulefiss's commitment to high-quality service, including a 30-day return/exchange, 2-year warranty, and fast delivery.
Compliance Information:
This device complies with FCC, CE, and RoHS standards.
Image: Side of the product packaging displaying regulatory compliance marks including FCC ID, UKCA, CE, FC, and RoHS.
Image: Side of the product packaging displaying contact information for UK and EC representatives, including company names, addresses, emails, and phone numbers.
