1. Introduction
Thank you for choosing the Aisizon Wireless Lavalier Microphone (Model wlm-02). This compact and versatile microphone system is designed to provide high-quality, clear audio for various applications, including video recording, live streaming, interviews, and online meetings. With its plug-and-play functionality, advanced noise reduction, and broad compatibility, the wlm-02 offers a seamless audio experience without the hassle of tangled wires.
2. What's in the Box
Please verify that all items are present in your package:
- 1 x Wireless Microphone (Transmitter)
- 1 x Receiver (Type-C)
- 1 x USB-A Adapter
- 1 x Lightning Adapter
- 1 x USB-C Charging Cable
- 1 x Microphone Clip (pre-attached to microphone)
- 1 x User Manual
3. Product Overview
Familiarize yourself with the components of your Aisizon Wireless Lavalier Microphone:

Image: Detailed diagram of the Aisizon Wireless Lavalier Microphone components. Labels include: 1. Indicator, 2. Reset Key of Receiver, 3. USB Port, 4. Type-C Port of Receiver, 5. Switch Key, 6. Charging Port, 7. Windproof Net, 8. Mic Clip.
- Microphone (Transmitter): Clips onto clothing, captures audio. Features a power/function button and charging port.
- Receiver: Plugs into your recording device. Features an indicator light and connection port.
- Adapters: USB-A and Lightning adapters provide broad compatibility for various devices.
- Charging Cable: For recharging the microphone.
4. Setup
The Aisizon Wireless Lavalier Microphone is designed for simple plug-and-play operation. No software installation is required.
- Charge the Microphone: Before first use, ensure the microphone is fully charged using the provided USB-C charging cable. The indicator light will show charging status.
- Connect the Receiver:
- For devices with a Type-C port (e.g., Android smartphones, laptops, PS5): Directly plug the Type-C receiver into your device's Type-C port.
- For devices with a Lightning port (e.g., iPhone, iPad): Attach the Lightning adapter to the Type-C receiver, then plug the assembly into your device's Lightning port.
- For devices with a USB-A port (e.g., computers, some laptops): Attach the USB-A adapter to the Type-C receiver, then plug the assembly into your device's USB-A port.
- Power On the Microphone: Press and hold the power button on the microphone until the indicator light turns on, indicating it's powered and ready to pair.
- Automatic Pairing: The microphone and receiver will automatically pair. A solid green light on the microphone typically indicates a successful connection.
- Clip the Microphone: Securely clip the microphone onto your clothing, ideally near your mouth, for optimal sound capture.

Image: The microphone features auto-pairing and plug-and-play functionality, making setup quick and easy.
5. Operating Instructions
Once set up, the microphone is ready for use. Here are its key functions:
- Recording: Begin recording directly on your device's camera or audio recording application. The microphone will capture your voice wirelessly.
- Noise Reduction: The microphone features 3-level active noise reduction. Press the power/function button on the microphone to cycle through the noise reduction levels. An orange indicator light will show the active level. This helps to filter out ambient noise for clearer audio.
- Reverberation Effect: For a professional touch, the microphone includes a reverberation effect. Press the power/function button three times to activate this feature. The breathing light indicates it's active.
- Mute Function: To temporarily mute the microphone, press the power/function button twice. The indicator light will change to indicate mute status.
- Battery Life: The built-in 65mAh battery provides up to 10 hours of recording time. Monitor your device's battery indicator or the microphone's indicator for low battery warnings.
Image: Control noise reduction and add reverb with simple button presses on the microphone.
6. Compatibility
The Aisizon Wireless Lavalier Microphone is designed for wide compatibility:
- Smartphones: Compatible with most iPhone (via Lightning adapter) and Android devices (via Type-C receiver).
- Laptops & PCs: Compatible with laptops and personal computers via the Type-C receiver or USB-A adapter.
- Gaming Consoles: Can be used with devices like PS5.
- Other Devices: Works with various other electronic devices that support audio input via USB-C, Lightning, or USB-A.
Important Notes:
- If your iPhone/iPad cannot be matched, please exit all open programs and restart the phone.
- It cannot match iPhone 6 or lower models, as recording is done through the 3.5 audio port.
- Some Samsung phones may not be compatible if they do not have an open system.
- Laptop or other recording equipment may require a Type-C port or the appropriate adapter.
Image: The microphone is compatible with a wide range of devices, including computers, laptops, and various smartphones.
7. Maintenance
To ensure the longevity and optimal performance of your microphone, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the microphone and receiver. Avoid using liquids or abrasive cleaners.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handle with Care: Avoid dropping or subjecting the device to strong impacts.
- Charging: Use only the provided charging cable or a certified USB-C cable to charge the microphone.
8. Troubleshooting
If you encounter any issues, refer to the following common solutions:
- No Sound/Poor Audio Quality:
- Ensure the microphone is powered on and successfully paired (solid green light).
- Check that the receiver is securely plugged into your device.
- Verify that your device's audio input settings are configured to use the external microphone.
- Move closer to the receiver to ensure you are within the 20m wireless range.
- Check microphone battery level.
- Microphone Not Pairing:
- Ensure both the microphone and receiver are powered on.
- Try restarting both the microphone and your recording device.
- Ensure no other wireless devices are causing interference.
- If the issue persists, use the reset key on the receiver (if available) or consult the user manual for specific reset procedures.
- Short Battery Life:
- Ensure the microphone is fully charged before use.
- Avoid using the microphone in extremely cold temperatures, which can reduce battery performance.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | Aisizon |
| Model Number | wlm-02 |
| Connectivity Technology | Bluetooth |
| Connector Type | USB Type-C |
| Special Feature | Clip |
| Compatible Devices | Laptop, Personal Computer, Smartphone |
| Color | Black |
| Polar Pattern | Omnidirectional |
| Audio Sensitivity | 38 Decibels |
| Microphone Form Factor | Lavalier |
| Power Source | Battery Powered |
| Number of Batteries | 1 A batteries required (included) |
| Signal-to-Noise Ratio | 38 dB |
| Number of Channels | 1 |
| Item Weight | 35 Grams |
| Item Dimensions | 0.79 x 0.39 x 2.36 inches |
| Enclosure Material | Acrylonitrile Butadiene Styrene |
| Wireless Range | Up to 20 meters (barrier-free) |
| Battery Capacity | 65mAh (built-in) |
| Battery Life | Up to 10 hours |
| Latency | 0.009s ultra-low latency |
| Noise Reduction | 3-level active noise reduction, built-in noise reduction chip |
10. Warranty and Support
The Aisizon Wireless Lavalier Microphone comes with a 1-Year Manufacturer Warranty. For warranty claims, technical support, or any inquiries, please contact Aisizon customer service through the retailer's platform or the official Aisizon website.
Please retain your proof of purchase for warranty validation.