1. Product Overview
The BOYA BY-WM3T2-U1 is an ultra-compact and portable 2.4GHz dual-channel wireless microphone system designed for USB-C Android smartphones and tablets. It offers high-quality audio capture for various applications such as live streaming, vlogging, podcasting, and online teaching.
What's in the Box?
- BY-WM3T2-U1 Receiver (RXU)
- BY-WM3T2-U1 Transmitter (TX)
- Foam windscreen
- USB-C charging cable

Product Structure

2. Setup Guide
Follow these steps to set up your BOYA BY-WM3T2-U1 wireless microphone system.
- Charge the Transmitter: Ensure the transmitter (TX) is fully charged using the provided USB-C charging cable. The status indicator will show charging status.
- Connect the Receiver: Plug the receiver (RXU) directly into the USB-C port of your Android smartphone or tablet. The receiver is designed for plug-and-play operation.
- Power On the Transmitter: Press and hold the power button on the transmitter (TX) until the status indicator lights up.
- Automatic Pairing: The transmitter and receiver should automatically pair. A solid blue light on both units typically indicates a successful connection.
- Attach the Transmitter: Clip the transmitter to your clothing, ensuring the built-in microphone is facing towards your mouth for optimal sound capture.

Compatibility
The RXU receiver with its USB-C port is compatible with most devices featuring Type-C connectors, including Android smartphones, tablets, and Mac PCs.

3. Operating Instructions
Once set up, the microphone system is ready for use. Here are key operating features:
Recording Audio
- After successful pairing, open your device's camera or audio recording application.
- The system will automatically be recognized as the audio input source.
- Begin recording.
Noise Reduction
The transmitter features a noise reduction function. Press the noise reduction button (often indicated by a blue icon) to activate or deactivate it. This helps to minimize ambient background noise for clearer audio.
Operating Range
The system offers an operating range of up to 50 meters (164 feet) in open conditions, providing flexibility for various recording scenarios.

Battery Life and Charging
The transmitter's built-in rechargeable battery provides up to 10 hours of runtime. The receiver supports charging via its Type-C port for your device even when in use, allowing for extended recording sessions.

Application Scenarios

Official Product Videos
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your microphone system.
- Cleaning: Use a soft, dry cloth to clean the microphone and receiver. Avoid using liquids or abrasive cleaners.
- Storage: Store the devices in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging: Regularly charge the transmitter to maintain battery health, especially if not used for extended periods.
- Windscreen: Ensure the foam windscreen is properly attached to the microphone to reduce wind noise and protect the mic capsule.
5. Troubleshooting
If you encounter issues with your BOYA BY-WM3T2-U1, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or low audio level | Microphone not powered on, not paired, or device volume too low. | Ensure transmitter is powered on and paired (solid blue light). Check device's audio input settings and volume levels. |
| Intermittent connection or dropouts | Out of range, interference, or obstacles between transmitter and receiver. | Reduce distance between transmitter and receiver. Avoid physical obstructions. Move away from other 2.4GHz devices. |
| Poor audio quality (e.g., static, muffled) | Wind noise, incorrect mic placement, or noise reduction off in noisy environment. | Ensure foam windscreen is used. Position microphone correctly. Activate noise reduction in noisy environments. |
| Transmitter not charging | Faulty cable or power source. | Try a different USB-C cable and power adapter. Ensure connections are secure. |
6. Specifications
| Feature | Detail |
|---|---|
| Brand | BOYA |
| Model Number | BY-WM3T2-U1 (Item model number: BY WM3T2 U2) |
| Connectivity Technology | Bluetooth, USB (2.4GHz Wireless) |
| Connector Type | USB-C |
| Number of Channels | 1 |
| Item Weight | 0.529 ounces (15 Grams) |
| Product Dimensions (L x W x H) | 2.05 x 0.69 x 0.63 inches |
| Power Source | Battery Powered |
| Special Feature | Clip-on design |
| Color | Black |
7. Warranty and Support
For detailed warranty information and customer support, please refer to the official BOYA website or contact your local distributor. Keep your purchase receipt for warranty claims.







