1. Introduction
Thank you for choosing the KIMAFUN KM-G70-1 Wireless Lavalier Microphone System. This system is designed for clear and stable audio transmission in various applications such as teaching, public speaking, tour guiding, and presentations. Please read this manual carefully to ensure proper operation and to fully utilize the product's features.

2. Product Features
- Stable 2.4G Wireless Transmission: Offers reliable audio transmission up to 50 meters (160 feet) with less than 20ms latency.
- Automatic Pairing: Transmitters and receiver automatically pair upon power-on, requiring no manual setup.
- Compact & Lightweight Design: Transmitter weighs 28g, receiver 36g, making them easy to clip onto clothing.
- Long Battery Life: Built-in lithium batteries provide 6-8 hours of continuous use after a 1-hour charge.
- Professional Sound Quality: Features a built-in omnidirectional condenser microphone and intelligent noise reduction for clear audio.
- Versatile Use: Ideal for teaching, speeches, meetings, presentations, and tour guiding.
- 2-in-1 Functionality: Can be used with its built-in microphone or an external lavalier microphone.

3. Setup Guide
- Charge the Devices: Before first use, fully charge both the transmitter(s) and the receiver using the provided dual USB Type-C charging cable. A full charge takes approximately 1-2 hours and provides 6-8 hours of use.
- Power On: Long press the power button on both the transmitter(s) (TX) and the receiver (RX) for 3 seconds to turn them on. The devices will automatically pair, indicated by a stable blue light.
- Connect the Receiver: Plug the receiver into the MIC input jack (3.5mm or 6.35mm using the adapter) of your PA system, speaker, amplifier, or audio mixer. Ensure the device is powered off before connecting.
- Wear the Transmitter: Clip the transmitter to your shirt, collar, or tie. You can use the built-in microphone or connect the external lavalier microphone to the transmitter's external mic input.



4. Operating Instructions
- Power On/Off: Long press the power button for 3 seconds.
- Mute Function: Press the power button once on the transmitter (TX) to mute/unmute the microphone. A red light indicates mute status.
- Volume Adjustment: Adjust the volume directly on your connected PA system, speaker, or amplifier.
- Range: Maintain a clear line of sight between the transmitter and receiver for optimal performance up to 50 meters (160 feet).

5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the devices. Do not use harsh chemicals or abrasive materials.
- Storage: Store the microphone system in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the batteries frequently. Charge them regularly, even if not in use for extended periods.
- Avoid Moisture: Keep the devices away from water and high humidity to prevent damage.
6. Troubleshooting
- No Sound:
- Ensure both transmitter and receiver are powered on and paired (blue light stable).
- Check that the receiver is securely plugged into the correct MIC input of your audio device.
- Verify the volume on your audio device is turned up.
- Ensure the microphone is not muted (red light on transmitter indicates mute).
- Confirm your audio device is compatible (not a Bluetooth speaker, computer, laptop, or smartphone).
- Poor Sound Quality/Interference:
- Ensure the transmitter and receiver are within the 50-meter operating range and have a clear line of sight.
- Avoid placing the devices near other wireless equipment or strong electromagnetic fields.
- Check if the external lavalier microphone is securely connected if in use.
- Ensure the wind-muff is properly installed to reduce wind noise.
- Short Battery Life:
- Ensure the devices are fully charged before use (1-2 hours charging time for 6-8 hours use).
- Battery performance may degrade over time with extensive use.
7. Specifications
| Feature | Detail |
|---|---|
| Brand Name | KIMAFUN |
| Model | KM-G70-1 |
| Communication | Wireless (2.4G) |
| Transmission Distance | Up to 50m (160ft) |
| Latency | Less than 20ms |
| Transducer | Condenser Microphone |
| Polar Patterns | Omnidirectional |
| Diaphragm | S-Mall |
| Set Type | Multi-Microphone Kits |
| Style | Lavalier Microphone |
| Use | Guide System (Teaching, Speech, PA) |
| Charging Time | 1-2 hours |
| Working Time | 6-8 hours |
| Transmitter Weight | 28g |
| Receiver Weight | 36g |
| Origin | Mainland China |
| Certification | CE, FCC, RoHS |
8. User Tips
- For best sound quality, ensure the microphone is positioned correctly, ideally 6-8 inches from the speaker's mouth.
- Always fully charge the devices before important events to avoid interruptions.
- When using the external lavalier mic, ensure it is securely plugged into the transmitter.
- Test the system with your audio device before live use to confirm compatibility and optimal settings.
- Keep the transmitter and receiver in a clear line of sight to maximize wireless range and stability.
9. Warranty and Support
This KIMAFUN product comes with a 365-day warranty from the date of purchase. If you encounter any problems or have questions regarding the product, please contact KIMAFUN customer support for assistance. Ensure you retain your proof of purchase for warranty claims.
