1. Introduction
Thank you for choosing the Ltinist Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features for active lifestyles. Equipped with Bluetooth 5.4 technology, ENC noise-canceling microphones, and an IP7 waterproof rating, they are ideal for sports, travel, and daily use. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
2. Package Contents
Upon opening your Ltinist Wireless Earbuds package, you should find the following items:
- 1 x Charging Case
- 1 x Pair of Wireless Earbuds (Left and Right)
- 1 x USB-C Charging Cable
- 1 x User Manual
- 3 x Pairs of Ear Tips (S/M/L) - Note: Medium size ear tips are pre-installed.

Figure 2.1: Included components of the Ltinist Wireless Earbuds.
3. Setup
3.1 Initial Charging
Before first use, ensure the charging case and earbuds are fully charged. The charging case provides up to 75 hours of total listening time, with each earbud offering up to 15 hours on a single charge. The case can provide an additional 4 full charges to the earbuds.
- Connect the provided USB-C charging cable to the charging port on the case and to a compatible USB power source.
- The LED display on the case will show the charging status and remaining power. A full charge for the case takes approximately 1.5 hours.
- Place the earbuds into the charging case. They will begin charging automatically.

Figure 3.1: Charging case with digital LED power display.
3.2 Pairing with Your Device
The earbuds feature one-step auto-pairing for convenience.
- Ensure Bluetooth is enabled on your smartphone, tablet, or other compatible device.
- Open the lid of the charging case. The earbuds will automatically enter pairing mode.
- On your device, search for Bluetooth devices and select "BX29" from the list.
- Once connected, the earbuds will indicate successful pairing. After the initial connection, the earbuds will automatically connect to the last paired device when removed from the case.

Figure 3.2: One-Step Auto Pairing process.
3.3 Wearing the Earbuds
The Ltinist Wireless Earbuds are designed with flexible ear hooks for a secure and comfortable fit, especially during physical activity.
- Choose the ear tips that best fit your ear canal (S, M, L). A proper seal is crucial for optimal sound quality and noise cancellation.
- Place the earbud into your ear canal and gently rotate it to ensure a snug fit.
- Adjust the flexible ear hook over the top of your ear until it feels secure and comfortable.

Figure 3.3: Earbud fitting for secure wear during sport.
4. Operating the Earbuds
4.1 Touch Controls
The earbuds feature sensitive touch controls for easy management of music and calls. The controls are located on the outer surface of each earbud.
| Action | Left Earbud (L) | Right Earbud (R) |
|---|---|---|
| Play/Pause Music | Click Twice | Click Twice |
| Volume Up | N/A | Click Once |
| Volume Down | Click Once | N/A |
| Next Track | N/A | Hold for 2S |
| Previous Track | Hold for 2S | N/A |
| Answer/End Call | Click Once | Click Once |
| Reject Call | Hold for 2S | Hold for 2S |
| Activate Voice Assistant | Click Three Times | Click Three Times |

Figure 4.1: Earbud touch control functions.
4.2 Audio Quality and Calls
The earbuds feature 14.2 mm dual-chamber speaker driver units for well-balanced and exceptional sound with powerful bass. Built-in ENC (Environmental Noise Canceling) microphones ensure clear call performance by isolating your voice from surrounding noise, making calls clear regardless of your location.

Figure 4.2: Internal structure highlighting 14.2mm drivers and noise cancellation.
4.3 Video Overview of Features
For a visual demonstration of the earbuds' features, including touch controls and design, please watch the following video:
Video 4.1: Ltinist Wireless Bluetooth Earbud Sport Touch Control. This video demonstrates the key features and functionality of the earbuds, including their design, touch controls, and suitability for sports activities.
5. Maintenance
5.1 Waterproofing
The earbuds have an IP7 waterproof rating, providing steadfast protection against sweat and rain. This makes them suitable for workouts and outdoor activities. While they are resistant to splashes and light rain, avoid submerging them in water for extended periods.

Figure 5.1: IP7 Waterproof and Sweatproof design.
5.2 Cleaning and Storage
- Regularly clean the earbuds and charging case with a soft, dry cloth.
- Remove ear tips and clean them with mild soap and water, then dry thoroughly before reattaching.
- Store the earbuds in their charging case when not in use to protect them and ensure they remain charged.
- Avoid exposing the earbuds to extreme temperatures or direct sunlight.
6. Troubleshooting
If you encounter any issues with your Ltinist Wireless Earbuds, please refer to the following common solutions:
6.1 Pairing Issues
- Earbuds not pairing with device: Ensure Bluetooth is enabled on your device and the earbuds are fully charged. Turn off Bluetooth on your device, then turn it back on and try pairing again.
- Only one earbud connecting: Place both earbuds back into the charging case, close the lid for a few seconds, then open it and try pairing again. Ensure both earbuds have sufficient charge.
6.2 Sound Issues
- No sound or low volume: Check the volume levels on both your device and the earbuds. Ensure the earbuds are properly seated in your ears to create a good seal.
- Distorted sound: Move closer to your paired device to avoid interference. Ensure there are no obstructions between the earbuds and your device.
6.3 Charging Issues
- Earbuds not charging in case: Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Case not charging: Try a different USB-C cable and power adapter. Ensure the cable is securely connected.
If the issue persists, please contact customer support for further assistance.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | X29 |
| Brand | Ltinist |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Audio Driver Size | 14.2 Millimeters (Dual-chamber) |
| Control Type | Touch Control |
| Water Resistance Level | IP7 Waterproof |
| Total Playtime (with case) | Up to 75 Hours |
| Earbud Playtime (single charge) | Up to 15 Hours |
| Charging Case Battery Capacity | 480 mAh |
| Charging Case Charging Time | 1.5 Hours |
| Item Weight (Earbuds) | 10 Grams |
| Ear Placement | Over Ear (with Earhooks) |
| Noise Cancellation | ENC Noise Canceling Mic |
8. Warranty and Support
Ltinist provides a 2-year warranty for the Wireless Earbuds (Model X29) from the date of purchase. This warranty covers manufacturing defects and ensures product quality.
Additionally, a 30-day return policy is available for your convenience.
For any product inquiries, technical support, or warranty claims, please contact Ltinist customer service through the retailer's platform or visit the official Ltinist store online. Please have your purchase receipt and product model number (X29) ready when contacting support.


