Introduction
This manual provides comprehensive instructions for the voijump M686 Professional Wireless Lavalier Microphone. Designed for seamless audio recording with iOS devices, this microphone system offers clear sound quality and ease of use for various applications such as video recording, live streaming, and podcasting.
What's in the Box
- Transmitter with Back Clip (x2)
- Receiver for iPhone, iPad (x1)
- USB to Type C Charging Cable (x1)
- User Manual (x1)

Image: The complete set of voijump wireless lavalier microphones, including two transmitters and one receiver.
Product Overview
The voijump M686 Wireless Lavalier Microphone system is designed for high-quality audio capture with minimal setup. Key features include:
- Omnidirectional Sound Reception: Captures sound from all directions.
- Active Noise Reduction: Built-in intelligent chips and high-density spray-proof sponge reduce environmental noise for clear recordings.
- Easy Setup & Auto Connect: No adapters, Bluetooth, or applications required. Simply plug in and power on for automatic pairing.
- Rechargeable with Long Battery Life: Each transmitter features an 85mAh rechargeable battery, providing up to 8 hours of use on a 1.5-hour charge.
- Universal Wireless System: Offers stable audio signal transmission up to 66 feet (20 meters) without cables.
- Full Compatibility: Designed for iOS smartphones and iPads with a Lightning port.

Image: Visual representation of the microphone's features, including auto-connect, omnidirectional pickup, and long battery life.
Setup Instructions
1. Initial Pairing
- Plug the receiver into the Lightning port of your iPhone or iPad. The receiver's indicator light will flash.
- Press and hold the power button on the microphone (transmitter) for 2-3 seconds to turn it on. The microphone's indicator light will flash.
- The microphone and receiver will automatically pair. A solid green light on both devices indicates a successful connection.
- If pairing is unsuccessful, turn off both devices and repeat the steps.

Image: Visual guide for connecting the wireless microphone system to an iOS device.
2. Charging the Microphone
Use the provided USB to Type C charging cable to charge the microphone. The charging port is located on the side of the microphone. A full charge takes approximately 1.5 hours and provides up to 8 hours of continuous use.

Image: Information on the microphone's battery life and charging duration.
3. Setup Demonstration Video
Video: An official product video demonstrating the unboxing and setup process of the voijump Wireless Lavalier Microphone for iPhone and iPad.
Operating Instructions
1. Mute Function
During recording, short press the power button on the microphone to mute/unmute. A solid green light indicates recording, while a flashed green light indicates paused recording (mute activated).

Image: Illustration of the microphone's mute function and corresponding indicator lights.
2. Real-Time Monitoring
To ensure accurate recordings, you can monitor the audio in real-time:
- Ensure the microphone and receiver are successfully paired.
- Insert USB-C earphones into the interface of the microphone.

Image: Steps for setting up real-time audio monitoring during recording.
3. Charging While Recording
The receiver features a pass-through charging port, allowing you to charge your iPhone or iPad simultaneously while recording. This ensures uninterrupted recording sessions.

Image: Illustration of how to charge your device while using the wireless microphone for recording.
Maintenance
- Keep the microphone and receiver clean and dry. Avoid exposure to moisture or extreme temperatures.
- Store the devices in a protective case when not in use to prevent damage.
- Regularly check the charging ports for dust or debris and clean gently if necessary.
Troubleshooting
| Issue | Possible Cause / Solution |
|---|---|
| Microphone not pairing |
|
| Poor sound quality / Muffled audio |
|
| Microphone not charging |
|
| Limited wireless range |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | M686 |
| Microphone Form Factor | Lavalier |
| Polar Pattern | Omnidirectional |
| Connectivity Technology | Wireless |
| Connector Type | Lightning |
| Compatible Devices | Smartphone, Tablet (iOS devices with Lightning port) |
| Power Source | Battery Powered |
| Battery Life (Transmitter) | Up to 8 hours |
| Charging Time | Approx. 1.5 hours |
| Wireless Transmission Range | Up to 66 feet (20 meters) |
| Audio Sensitivity | 30 Decibels |
| Signal-to-Noise Ratio | 78 dB |
| Item Weight | 0.06 Kilograms (approx. 2.11 ounces) |
| Product Dimensions (L x W x H) | 0.4 x 0.3 x 2.3 inches |
| Material | Acrylonitrile Butadiene Styrene |
Warranty and Support
The voijump M686 Wireless Lavalier Microphone comes with a 3-year warranty. For any questions or support needs, please contact voijump customer service. They offer 24-hour online support.

Image: Visual summary of voijump's customer service commitments, including warranty and technical support.





