Introduction
The 1Mii B06T6 Bluetooth 5.3 Transmitter is designed to enable non-Bluetooth audio sources like TVs, PCs, and projectors to stream audio wirelessly to Bluetooth headphones or speakers. It supports dual link connections, allowing two Bluetooth headphones to connect simultaneously, and features aptX Low Latency and aptX HD codecs for high-quality, synchronized audio.

Image: The 1Mii B06T6 Bluetooth Transmitter, a compact black device with control buttons and various audio input ports (USB, AUX, Optical, RCA) shown with accompanying cables.
Important Safety Information
- Do not use a mobile power supply to power the B06T6.
- To ensure proper pairing, it is recommended to turn off the TV's Bluetooth function before connecting the B06T6 to your headset and turning on the TV. TV Bluetooth can interfere with the product's pairing process.
- Ensure your headset or speaker's Bluetooth is not connected to any other device before attempting to connect to the B06T6. Disconnect from previously connected devices if necessary.
Package Contents
Verify that all items are present in the package:
- 1Mii B06T6 Bluetooth Transmitter
- USB Power Cable
- 3.5mm Audio Cable
- Optical Cable
- 3.5mm Female to RCA Male Cable
- User Manual

Image: A visual representation of the 1Mii B06T6 Bluetooth Transmitter and its included accessories: USB power cable, 3.5mm audio cable, optical cable, 3.5mm female to RCA male cable, and the user manual.
Setup Guide
1. Powering the Device
Connect the 1Mii B06T6 to a power source using the provided USB power cable. The device is powered via a Type-C cable. Ensure you use a 5V/1A charger, not directly from the TV's USB port, to avoid potential issues.

Image: A close-up of the 1Mii B06T6 connected to a power adapter via its USB-C port.
2. Connecting to Audio Source
The B06T6 offers multiple input options for connecting to your TV, PC, or other non-Bluetooth audio devices:
- Optical Input (OPT): Use the optical cable for digital audio output from your TV. Note: For TV optical output, set the audio format to PCM. Dolby / DTS is not supported.
- AUX Input (3.5mm): Use the 3.5mm audio cable for analog audio output.
- RCA Input: Use the 3.5mm Female to RCA Male Cable for RCA audio output.
- USB Input: Connect via USB for audio from a PC or other compatible device.

Image: The rear view of the 1Mii B06T6 showing its DC IN, Optical, AUX, and ON/OFF ports, along with illustrations of corresponding cables (Optical, AUX, RCA) and how to connect to a TV's audio output.
3. Pairing with Bluetooth Headphones/Speakers
The B06T6 can connect to up to two Bluetooth headphones or speakers simultaneously.
- Connect First Headset:
- Power on the B06T6. It will automatically enter pairing mode (the LED light for headphone 1 will flash red and blue alternately).
- Turn on your first headset's Bluetooth and ensure it is in pairing mode. Place it close to the B06T6.
- Wait for the connection. Once successfully paired, the headphone 1 indicator light on the B06T6 will turn solid blue.
Video: Demonstrates how to enter pairing mode on the 1Mii B06T6 by pressing and holding the headphone 1 or headphone 2 button for 3 seconds, indicated by flashing red and blue lights.
- Connect Second Headset (Optional):
- Press and hold the headphone 2 button on the B06T6 for 3 seconds to enter pairing mode for the second headset (the LED light for headphone 2 will flash red and blue alternately).
- Turn on your second headset's Bluetooth and ensure it is in pairing mode. Place it close to the B06T6.
- Wait for the connection. Once successfully paired, the headphone 2 indicator light will turn solid blue.
Video: Illustrates the process of connecting two Bluetooth headsets simultaneously to the 1Mii B06T6, showing the pairing steps for both devices.
Note: When pairing two aptX LL devices simultaneously, the codec may be downgraded to APTX. For optimal low latency, ensure your receiving device also supports aptX Low Latency.

Image: A couple watching TV with two separate headphones connected wirelessly to the 1Mii B06T6, demonstrating the dual link feature for shared audio experience.
Operating Instructions
Volume Control
Use the volume buttons (- and +) on the B06T6 to adjust the audio output volume to your connected Bluetooth headphones or speakers.

Image: A close-up of the 1Mii B06T6 highlighting the volume control buttons (- and +) on its front panel.
Decoding Format Switching
The B06T6 supports various audio codecs including SBC, aptX, aptX Low Latency (LL), aptX HD, and aptX Adaptive (AD). The device will automatically select the best available codec. You can observe the active codec indicated by the illuminated text on the device's display.
Video: Demonstrates how the 1Mii B06T6 automatically switches between different audio decoding formats (SBC, aptX, LL, HD, AD) based on the connected device's capabilities.
Maintenance
- Keep the device clean by wiping it with a soft, dry cloth.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified service personnel for any repairs.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio output. | Incorrect audio input setting on TV/PC; cables not properly connected; device not powered on. |
|
| Cannot pair with headphones/speakers. | Headphones/speakers not in pairing mode; too far from B06T6; previously connected to another device; TV Bluetooth interference. |
|
| Audio delay (latency). | Receiving device does not support aptX Low Latency. | For minimal latency, ensure your Bluetooth headphones/speakers also support aptX Low Latency. |
| Volume too loud at startup. | Device resets volume to maximum upon power cycle. | Adjust volume using the B06T6's buttons or your headphones' controls after powering on. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | B06T6 (RT5029) |
| Bluetooth Version | 5.3 |
| Supported Codecs | aptX Low Latency, aptX HD, aptX Adaptive, aptX, SBC |
| Audio Inputs | Optical, AUX (3.5mm), RCA, USB |
| Operating Range | Up to 100 ft / 30m (without obstacles) |
| Dimensions | 2.59 x 2.16 x 0.77 inches (6.58 x 5.49 x 1.96 cm) |
| Weight | 5 ounces (141.75 grams) |
| Power Source | Corded Electric (5V/1A recommended) |
Warranty and Support
1Mii provides customer support for their products. For any questions or assistance, please contact the 1Mii after-sales team. Their professional customer service team is available to provide friendly service and quick solutions.
Refer to the official 1Mii website or your purchase documentation for specific warranty details and contact information.
You can also visit the 1Mii Store on Amazon for more information.