1. Introduction
The 1Mii E3Pro Wireless Earbuds with Transmitter Charging Base are designed to provide a private, high-quality audio experience for TV watching. Featuring ultra-low latency 2.4G wireless technology, these earbuds ensure perfectly synchronized sound, allowing you to enjoy your favorite shows and movies without disturbing others. The system is plug-and-play, offering easy setup and broad compatibility with various TV audio outputs.

Enjoy private viewing with the 1Mii E3Pro Wireless Earbuds, perfect for late-night sessions.

Experience smooth, lag-free sound for your TV shows and movies with low latency technology.
2. What's in the Box
Verify that all items are present in your package:
- TURE Wireless Earbuds
- Transmitter Charging Base
- USB-C Charging Cable
- Optical Audio Cable
- RCA to 3.5mm Audio Cable
- 3.5mm AUX Audio Cable
- User Manual
- Power Adapter
- S/M/L Ear Caps

All components included in the 1Mii E3Pro Wireless Earbuds package.
Official 1Mii E3Pro Unboxing Video, demonstrating the contents of the package.
3. Setup
Follow these steps to set up your 1Mii E3Pro Wireless Earbuds:
- Power Connection: Connect the USB-C charging cable to the transmitter base and the power adapter. Plug the power adapter into a wall outlet. The base will power on automatically.
- Connect to TV: Choose the appropriate audio cable (Optical, AUX 3.5mm, or RCA to 3.5mm) based on your TV's available audio output ports. Connect one end of the cable to your TV's audio output and the other end to the corresponding input on the transmitter base.
- TV Audio Settings: Access your TV's audio settings menu. Change the audio output to the corresponding port you used (e.g., Optical Out, External Speakers). For optical connections, ensure the TV's digital audio output format is set to PCM.
- Earbud Pairing: The earbuds and transmitter are pre-paired from the factory. Simply take the earbuds out of the charging base, and they will automatically connect to the transmitter.

Connect the transmitter base to power.

Flexible compatibility with Optical, RCA, or 3.5mm audio outputs.

Ensure your TV has compatible audio output ports.
Video demonstrating how to connect the 1Mii E3Pro to a TV using an RCA/3.5mm cable.
Video demonstrating how to connect the 1Mii E3Pro to a TV using an optical cable.

Adjust your TV's audio output settings for proper sound transmission.
4. Operating Instructions
Wearing the Earbuds
Select the ear cap size (S, M, L) that provides the most comfortable and secure fit for extended use. Gently insert the earbuds into your ears.

Choose from three sizes of ear tips for a snug and comfortable fit.
Controls
The earbuds feature touch controls for easy operation:
- Volume Up: Click once on the Right (R) earbud.
- Volume Down: Click once on the Left (L) earbud.
- Music/Gaming Mode: Click twice on either the Left (L) or Right (R) earbud to switch between modes.

Earbud touch controls for volume and mode selection.
Bypass Function
The unique bypass function allows simultaneous audio output through both the earbuds and external wired speakers. This means you can listen privately while others in the room can hear the TV audio through connected speakers.
- Connect your wired speakers to the corresponding output ports (Optical Out or AUX Out) on the transmitter base.
- Ensure the input and output cable types match (e.g., Optical IN to Optical OUT, 3.5mm IN to 3.5mm OUT).

Share sound with others using the bypass function.
Video demonstrating how to use the bypass mode with an optical connection.
Video demonstrating how to use the bypass mode with an RCA/3.5mm connection.
Charging and Battery Life
The earbuds provide up to 5 hours of uninterrupted audio on a single charge. When not in use, simply place the earbuds back into the transmitter charging base to automatically recharge. A full charge takes approximately 2 hours.

Effortless charging by simply placing earbuds in the base.
5. Maintenance
To ensure the longevity and optimal performance of your 1Mii E3Pro Wireless Earbuds:
- Clean the earbuds and charging contacts regularly with a soft, dry cloth.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not use abrasive cleaners or solvents.
- Store the earbuds in their charging base when not in use to keep them charged and protected.
6. Troubleshooting
If you encounter issues with your 1Mii E3Pro, refer to the following common problems and solutions:
- No Sound or Abnormal Sound from One Earbud:
Ensure both earbuds are properly seated in the charging base and fully charged. Check for any debris blocking the charging contacts or earbud nozzles. If the issue persists, try resetting the transmitter base by pressing and holding the button for 10 seconds until the red light turns on, then release. Re-insert the earbuds to re-establish connection.
Video providing a solution for when one earbud has no sound or abnormal sound.
- No Sound from TV:
Verify that the audio cables are securely connected to both the TV and the transmitter base. Check your TV's audio output settings to ensure it's configured to output sound through the connected port (Optical, AUX, or RCA). For optical connections, confirm the TV's digital audio output format is set to PCM.
- Earbuds Not Connecting:
Ensure the transmitter base is powered on. Place the earbuds back into the charging base for a few seconds, then remove them to trigger automatic reconnection. Remember, these earbuds use 2.4G wireless technology and cannot connect to other Bluetooth devices.
- Short Battery Life:
Ensure the earbuds are fully charged before use. Battery life can vary based on volume levels and usage patterns. If battery life significantly degrades, contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 4.33 x 2.36 x 2.09 inches |
| Item Weight | 4.3 ounces |
| Item Model Number | E3Pro |
| Batteries | 2 A batteries required. (included) |
| Connectivity Technology | RCA, Optical, AUX 3.5mm, 2.4G Wireless |
| Power Source | Corded Electric |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Manufacturer | 1Mii |
| Country of Origin | China |
8. Safety Information
- Do not use or charge the device while sleeping.
- Keep the device away from heat and moisture.
- Dispose of used batteries according to local regulations.
- Do not expose the device to extreme temperatures.
- Avoid using the device near other wireless devices to prevent interference.
9. Warranty and Support
For warranty information or technical support, please refer to the official 1Mii website or contact their customer service directly. The user manual (PDF) is also available for download from the product's Amazon page.





