1. Introduction
The Ltinist Wireless Earbuds (Model BX27) are designed to provide a superior audio experience with advanced features for active lifestyles. Equipped with Bluetooth 5.3, these earbuds ensure a stable and low-latency connection, perfect for music and calls. Their robust design includes secure earhooks and IP7 waterproofing, making them ideal for sports and outdoor activities. Enjoy extended listening times and intuitive touch controls for seamless operation.
Image: Ltinist BX27 Wireless Earbuds in their charging case, showcasing the sleek design and LED display.
2. What's in the Box
Your Ltinist BX27 Wireless Earbuds package includes the following items:
- Wireless sports headphones (2 units)
- Headphone charging case (1 unit)
- USB-C fast charging cable (1 unit)
- User Manual (1 unit)
Image: A visual representation of all items included in the Ltinist BX27 Wireless Earbuds package.
Video: An unboxing video demonstrating the contents of the BX27 package.
3. Setup
3.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. The charging case features a dual LED digital power display, showing the remaining power percentage from 1% to 100%.
- Connect the provided USB-C fast charging cable to the charging case and a power source.
- Place the earbuds into the charging case. The LED display on the case will indicate charging status.
- The earbuds offer 15 hours of listening time per charge, and the charging case provides 5 full charges, extending total playtime to 75 hours.
Image: The earbuds in their charging case, illustrating the long battery life and charging capabilities.
Image: Close-up of the charging case's LED display, showing battery percentage and individual earbud charge levels.
3.2 Pairing with Your Device
The Ltinist BX27 earbuds utilize a Bluetooth 5.3 chip for stable and efficient pairing.
- Open the charging case and take out both earbuds. They will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings and ensure Bluetooth is enabled.
- Search for available devices and select "BX27" from the list to connect.
- Once connected, you will hear an audible confirmation, and the earbuds' indicator lights will change.
Image: A smartphone screen displaying the Bluetooth pairing menu with "BX27" selected for connection.
4. Operating Instructions
4.1 Wearing the Earbuds
The BX27 earbuds are designed with flexible earhooks and an ergonomic shape to ensure a secure and comfortable fit, especially during physical activity.
- Choose the suitable eartips (S/M/L) for your ear canal and install them on the earbuds.
- Place the earbud into your ear canal.
- Adjust the earhook over your ear to secure the earbud in place. Ensure a snug fit for optimal sound and stability.
Image: A diagram illustrating the flexible earhook, ergonomic design, and different eartip sizes (S, M, L) for a secure fit.
Image: A visual guide demonstrating the three steps to correctly wear the Ltinist BX27 earbuds.
4.2 Touch Controls
The BX27 earbuds feature intuitive touch controls for easy management of audio playback, calls, and voice assistant activation.
| Action | Left Earbud (L) | Right Earbud (R) |
|---|---|---|
| Play/Pause | Click Once (Either Earbud) | |
| Volume Up | N/A | Click Once |
| Volume Down | Click Once | N/A |
| Next Track | Click Twice | N/A |
| Previous Track | N/A | Click Twice |
| Answer/End Call | Click Once (Either Earbud) | |
| Reject Call | Hold for 2 seconds (Either Earbud) | |
| Activate Voice Assistant | Click Three Times (Either Earbud) | |
Image: A visual guide detailing the various touch control functions for the Ltinist BX27 earbuds.
Image: An expanded view of the touch control functions, including specific actions for left and right earbuds.
4.3 Single and Twin Mode
The BX27 earbuds can be used in either single (mono) or twin (stereo) mode.
- Single Mode: You can use one earbud independently while the other is in the charging case. Simply take out one earbud, and it will connect to your device. This is useful for awareness of your surroundings.
- Twin Mode: For a full stereo audio experience, take both earbuds out of the charging case. They will automatically pair with each other and then connect to your device.
Image: Demonstrates the flexibility of using the earbuds in single mode (one earbud) or twin mode (both earbuds).
5. Maintenance
5.1 Cleaning
Regular cleaning helps maintain the performance and longevity of your earbuds.
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- For eartips, remove them from the earbuds and clean with mild soap and water. Ensure they are completely dry before reattaching.
- Use a dry cotton swab to carefully clean the charging contacts on both the earbuds and inside the charging case.
- Avoid using abrasive materials, solvents, or harsh chemicals.
Video: A demonstration on the proper cleaning and care procedures for your BX27 headphones.
5.2 Storage
When not in use, store your earbuds in their charging case to protect them from dust, damage, and to keep them charged.
6. Troubleshooting
If you encounter any issues with your Ltinist BX27 Wireless Earbuds, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing with device | Bluetooth off, earbuds not in pairing mode, device list full. | Ensure Bluetooth is on. Place earbuds back in case, close lid, then reopen to re-enter pairing mode. Forget "BX27" from device's Bluetooth list and re-pair. |
| Only one earbud playing sound | Earbuds not paired with each other, low battery on one earbud. | Place both earbuds in the charging case, close the lid for 5 seconds, then open. Ensure both earbuds are charged. |
| Earbuds not charging | Poor contact with charging pins, dirty charging contacts, faulty cable/adapter. | Clean charging contacts on earbuds and case. Try a different USB-C cable and power adapter. Ensure earbuds are correctly seated in the case. |
| Sound quality is poor or distorted | Low battery, distance from device, interference. | Charge earbuds fully. Reduce distance between earbuds and device. Move away from sources of strong electromagnetic interference. |
| Earbuds falling out during activity | Incorrect eartip size, improper wearing. | Try different eartip sizes (S, M, L) to find the best fit. Ensure earhooks are properly adjusted over your ears. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | BX27 |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Headphones Jack | USB-C (for charging case) |
| Audio Driver Size | 10 Millimeters |
| Battery Life (Earbuds) | 15 Hours |
| Battery Life (with Charging Case) | 75 Hours |
| Water Resistance Level | IP7 Waterproof |
| Noise Control | Active Noise Cancellation (CVC8.0) |
| Control Method | Touch |
| Frequency Range | 20 Hz - 20,000 Hz |
| Item Weight | 8.8 Grams (earbuds) / 0.31 ounces (total) |
| Product Dimensions | 3.54 x 0.31 x 1.18 inches |
| Compatible Devices | iOS 9.0/Android 5.0 or above and Bluetooth 5.0 or later devices |
8. Warranty & Support
Ltinist products are manufactured with high-quality standards. We offer a 2-year warranty from the date of purchase against defects in materials and workmanship.
For detailed warranty terms, troubleshooting, or further assistance, please refer to the official user guide PDF or contact Ltinist customer support.
- Official User Guide (PDF): Download Here
- Customer Service: Please refer to the contact information provided in your product packaging or visit the official Ltinist website for support.


