Introduction
Thank you for choosing the Langsdom Zeta TG16 True Wireless ANC Earbuds. These earbuds are designed to provide an immersive audio experience with advanced Hybrid Active Noise Cancellation (ANC), stable Bluetooth 6.0 connectivity, and a comfortable, sweat-resistant design. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance.
What's in the Box
- Langsdom Zeta TG16 True Wireless Earbuds (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual
- Silicone Eartips (S/M/L)
Product Overview
The Langsdom Zeta TG16 earbuds feature an ergonomic in-ear design for comfort and stability. The compact charging case protects and recharges your earbuds on the go.
Image: Langsdom Zeta Earbuds securely placed within their charging case, illustrating the compact design and storage.
Image: Langsdom Zeta Earbuds displayed alongside various sizes (Small, Medium, Large) of silicone eartips, allowing users to choose the best fit for comfort and sound isolation.
Setup
1. Charging the Earbuds and Case
- Initial Charge: Before first use, place both earbuds into the charging case and connect the case to a USB power source using the provided USB cable. Ensure the case and earbuds are fully charged.
- Charging Earbuds: Place the earbuds into the charging case. They will automatically begin charging. The indicator lights on the earbuds/case will show charging status.
- Charging Case: Connect the charging case to a USB power source. The case's indicator lights will show its charging progress. A full charge provides up to 26 hours of total playback time.
- Fast Charging: A 10-minute charge can provide approximately 2 hours of playback.
2. Bluetooth Pairing
- Power On: Open the charging case. The earbuds will automatically power on and enter pairing mode. The indicator light on one earbud will flash, indicating it is ready to pair.
- Activate Bluetooth: On your device (smartphone, tablet, laptop), enable Bluetooth.
- Select Device: Search for "Langsdom Zeta" in the list of available Bluetooth devices and select it to connect.
- Confirmation: Once connected, you will hear an audio prompt, and the earbud indicator lights will turn off or show a steady light.
- Automatic Reconnection: After the initial pairing, the earbuds will automatically connect to the last paired device when removed from the case, provided Bluetooth is enabled on the device.
Operating Instructions
Touch Controls
The Langsdom Zeta TG16 earbuds feature intuitive touch controls on each earbud. The specific functions may vary slightly based on the operating system of your connected device.
| Action | Function |
|---|---|
| Single Tap (Left/Right) | Play/Pause Music, Answer/End Call |
| Double Tap (Right) | Next Track |
| Double Tap (Left) | Previous Track |
| Triple Tap (Right) | Volume Up |
| Triple Tap (Left) | Volume Down |
| Long Press (2 seconds) | Activate Voice Assistant, Reject Call |
| Long Press (Left/Right, 3 seconds) | Switch ANC/Transparency Mode |
Active Noise Cancellation (ANC) and Transparency Mode
The earbuds feature Hybrid ANC to reduce ambient noise and a Transparency Mode to allow you to hear your surroundings without removing the earbuds.
Image: A single Langsdom Zeta earbud with a visual representation of sound waves being cancelled, demonstrating the Active Noise Cancellation feature.
- Switching Modes: Long press either earbud for 3 seconds to cycle through ANC On, Transparency Mode, and ANC Off.
- Hybrid ANC: Reduces ambient noise by up to 30dB, ideal for travel or noisy environments.
- Transparency Mode: Amplifies surrounding sounds, allowing you to stay aware of your environment.
Langsdom App Control
Download the official Langsdom App to unlock additional features and customization options:
- Customize Equalizer (EQ) presets.
- Adjust ANC and Transparency levels.
- Set auto power-off timers.
- Perform firmware updates.
Game Mode
Activate Game Mode for ultra-low latency audio, enhancing your gaming experience by synchronizing audio and visual elements.
Image: Langsdom Zeta Earbuds shown in a gaming context with a smartphone, illustrating the low-latency Game Mode for improved audio-visual synchronization.
- Activation: Refer to the Langsdom App or specific touch control instructions for Game Mode activation.
- Benefit: Reduces audio latency to 45ms for a more immersive gaming experience.
Maintenance
Cleaning
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Remove eartips and clean them separately with mild soap and water if necessary, ensuring they are completely dry before reattaching.
Storage
- Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Avoid storing in extreme temperatures or high humidity.
Water and Dust Resistance
The earbuds are IP54-rated, meaning they are protected against limited dust ingress and water splashes from any direction. This makes them suitable for workouts and outdoor activities.
Image: A person exercising outdoors while wearing Langsdom Zeta Earbuds, highlighting their IP54 dust and water resistance for active use.
Note: The charging case is not water-resistant. Do not expose the charging case to liquids.
Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing with device | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget "Langsdom Zeta" from your device's Bluetooth list and re-pair. |
| Only one earbud working | Place both earbuds back into the charging case, close the lid, wait a few seconds, then open the lid and try again. Ensure both earbuds are charged. |
| No sound or low volume | Check device volume and earbud volume. Ensure earbuds are properly connected. Clean any debris from earbud speakers. |
| Charging case not charging | Ensure the USB cable is securely connected to both the case and the power source. Try a different USB cable or power adapter. |
| ANC not effective | Ensure earbuds are properly seated in your ears with a good seal. Try different sized eartips. Ensure ANC mode is activated. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Langsdom |
| Model Name | Zeta |
| Model Number | TG16 |
| Color | Grey |
| Ear Placement | In Ear |
| Impedance | 32 Ohms |
| Frequency Range | 20 Hz - 20,000 Hz |
| Audio Driver Size | 10 Millimeters |
| Noise Control | Hybrid Active Noise Cancellation (ANC) |
| Water Resistance | IP54 (Earbuds only) |
| Connectivity Technology | Wireless |
| Wireless Technology | Bluetooth |
| Bluetooth Version | 6.0 |
| Control Method | Touch |
| Earbud Battery Life | Up to 6.5 hours per charge |
| Total Playback Time | Up to 26 hours with charging case |
| Earbud Weight | Approx. 3.7g per earbud |
Warranty and Support
Warranty Information
The Langsdom Zeta TG16 True Wireless ANC Earbuds come with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, warranty claims, or further inquiries, please contact Langsdom customer support through the official website or your retailer's support channels. Please have your model number (TG16) and proof of purchase ready when contacting support.
