Introduction
Thank you for choosing the SENXIN Wireless Lapel Microphones. This plug-and-play system is designed to provide clear, high-quality audio for Android Type C devices, ideal for content creation such as YouTube videos, Facebook Live streams, TikToks, interviews, and vlogs. This manual will guide you through the setup, operation, and maintenance of your new wireless microphone system.
What's in the Box
- Wireless Microphone Transmitter(s)
- Type-C Receiver
- Charging Cable
- User Manual (this document)

Image: The wireless microphone transmitter and the Type-C receiver.
Product Overview
The SENXIN Wireless Lapel Microphone system consists of a compact transmitter (microphone) and a receiver designed for Type-C ports. The microphone features a clip for easy attachment and an anti-spray sponge for clearer sound. The receiver ensures stable, barrier-free transmission.

Image: Detailed view highlighting the lavalier microphone, anti-spray sponge, and receiver components.



Image: Close-up views of the microphone's clip, indicator light, and the Type-C receiver.
Setup Instructions
- Charge the Microphone: Ensure the microphone transmitter is fully charged before first use. It has a built-in 60mAh rechargeable battery, providing approximately 4 hours of continuous use.
- Turn On Transmitters: Long press the power button on each microphone transmitter to turn them on. The indicator light will illuminate.
- Plug in Receiver: Insert the Type-C receiver into your phone's charging port.
- Automatic Pairing: The transmitters and receiver will automatically pair. The indicator light on the transmitters will be solid (not flashing) once successfully paired. You can now begin recording.


Image: Steps for turning on the microphone and connecting the receiver to a smartphone.
Operating Instructions
Once paired, the microphone system is ready for use. Simply open your recording app or live streaming platform on your Android Type C device. The microphone will capture audio directly. This product is designed for live, video, or audio recording only and cannot be used for calls or FaceTime.
- Placement: Clip the lavalier microphone to your clothing, ideally near your mouth, for optimal sound capture.
- Range: The system offers a working distance of up to 20 meters (approximately 65 feet) in barrier-free environments.
- Sound Pickup: The microphone features 360° full-point pickup, ensuring every detail of sound is recorded.

Image: Visual representation of the microphone's plug-and-play functionality, HD audio, and stable signal.

Image: The microphone's 360-degree omnidirectional sound reception capability.
Video: Demonstration of the K9 wireless lavalier microphone's usage and transmission distance test, showing its performance in various ranges.
Key Features
- Plug-and-Play: No app download required, simple setup.
- Omnidirectional Pickup: 360° full-point sound capture for detailed recording.
- Stable Signal: High-performance wireless transmission with 20-meter barrier-free working distance.
- Long Battery Life: Built-in 60mAh rechargeable battery provides up to 4 hours of continuous use.
- Noise Reduction: Intelligent noise reduction for clear sound quality.
- Versatile Use: Ideal for YouTube Live, Facebook Live, TikTok, interviews, vlogs, and online teaching.

Image: Features such as intelligent noise reduction, battery capacity, and wireless connection range.

Image: Examples of various scenarios where the microphone can be effectively used, including live broadcasts, interviews, vlogging, and online teaching.
Maintenance
- Cleaning: Wipe the microphone and receiver with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, charge the microphone regularly and avoid fully discharging it for extended periods.

Image: The microphone connected to the receiver for charging, indicating battery status.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound/Poor sound quality | Microphone not paired; low battery; too far from receiver; obstructions; incorrect app settings. |
|
| Microphone not turning on | Low battery; faulty unit. |
|
| Cannot be used for calls/FaceTime | Product design limitation. | This product is specifically designed for live, video, or audio recording and does not support voice calls or FaceTime. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | K9 Type C |
| Brand | SENXIN |
| Microphone Form Factor | Lavalier |
| Polar Pattern | Omnidirectional |
| Connector Type | USB Type-C |
| Power Source | Battery Powered |
| Battery Type | 1 Lithium Polymer battery required (built-in 60mAh) |
| Continuous Use Time | Approx. 4 hours |
| Working Distance | Up to 20 meters (barrier-free) |
| Audio Sensitivity | 60 dB |
| Frequency Response | 200 KHz |
| Item Weight | 20 Grams (0.705 ounces) |
| Compatible Devices | Smartphone (Android Type C) |
Warranty and Support
For product support, warranty information, or to explore other products from SENXIN, please visit the official SENXIN store on Amazon:
This product is subject to a 30-day return policy for refund or replacement, as per Amazon's terms.








