Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your ITOTIN Wireless Microphone system. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
Package Contents
Verify that all items are present in your package:
- 1 x Receiver (RX)
- 1 x Transmitter (TX)
- 1 x Charging Case
- 1 x USB Type-C Charging Cable
- 1 x User Manual (this document)

Image: The ITOTIN Wireless Microphone system, showcasing the charging case with one transmitter and one receiver docked inside.
Product Overview
The ITOTIN Wireless Microphone system is designed for clear audio recording with mobile devices. It features a compact design, plug-and-play functionality, and noise reduction capabilities.

Image: An overview of the ITOTIN Wireless Lavalier Microphone's key features, including its compact size, long battery life, and noise reduction technology.
Setup Instructions
Plug and Play Connection
The ITOTIN Wireless Microphone system is designed for easy setup without the need for manual pairing or additional applications.
- Step 1: Connect the Receiver. Plug the Lightning connector of the receiver (RX) directly into the Lightning port of your iPhone or iPad. The receiver will automatically power on.
- Step 2: Power On the Transmitter. Press the power switch on the side of the microphone transmitter (TX) to turn it on. The indicator light will show its status.
- Step 3: Automatic Pairing. The transmitter and receiver will automatically pair within a few seconds. A solid indicator light on both devices typically signifies a successful connection.

Image: Visual guide for connecting the wireless microphone system. It illustrates plugging the receiver into a smartphone and then powering on the transmitter.
Operating Instructions
Noise Cancellation
The microphone features a built-in DSP noise reduction chip to enhance audio clarity. This function is typically active by default or can be toggled with a specific button on the transmitter (refer to device markings for exact control).

Image: Illustration demonstrating the effect of active noise reduction, comparing sound wave patterns before and after processing by the microphone.
Recording
Once the transmitter and receiver are successfully paired, open your preferred audio or video recording application on your iPhone/iPad. The system will automatically be recognized as the audio input device. Begin recording as usual.
The microphone offers 360° omnidirectional sound capture, suitable for various recording environments. The 2.4G signal transmission provides a stable connection up to 70 feet (approximately 20 meters).

Image: Visual representation of the stable wireless transmission range, indicating a distance of up to 20 meters (65 feet) between the microphone and the connected device.
Charging
The ITOTIN Wireless Microphone system includes a charging case for convenience and extended use.
- Transmitter/Receiver Charging: Place the transmitter(s) and receiver into the charging case. Ensure they are correctly seated. The case will automatically begin charging them.
- Charging Case: Connect the provided USB Type-C charging cable to the charging case and a suitable USB power adapter (not included). The charging case features a digital display indicating its battery level.
- Battery Life: Each wireless lavalier microphone provides approximately 6 hours of working time on a full charge. The fully charged charging case can provide multiple recharges, lasting about one week under typical usage.
- Charging While Working: Both the transmitter and receiver have USB Type-C ports, allowing them to be charged directly while in use, if necessary.

Image: The charging case with microphones, highlighting the 6-hour working time per microphone and the overall battery capacity of the case.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the microphone and charging case. Avoid using liquids or abrasive cleaners.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures. When not in use for extended periods, store the microphones in the charging case.
- Battery Care: To prolong battery life, avoid fully discharging the batteries frequently. Charge the device regularly, even if not in constant use.
- Handling: Handle the microphone and receiver with care to prevent damage from drops or impacts.
Troubleshooting
| Problem | Solution |
|---|---|
| No sound or poor audio quality. |
|
| Microphone not pairing. |
|
| Short battery life. |
|
| Intermittent connection or signal drop. |
|
Specifications
| Model Number | ITT-S16I |
| Connectivity Technology | 2.4G Wireless |
| Connector Type | Lightning (for receiver) |
| Compatible Devices | iPhone, iPad (with Lightning port) |
| Operating Range | Up to 70 feet (20 meters) |
| Microphone Type | Omnidirectional Condenser |
| Special Feature | DSP Noise Reduction, Mute Function |
| Battery Life (Transmitter) | Approx. 6 hours |
| Charging Port | USB Type-C (for transmitter, receiver, and charging case) |
| Item Weight | 5 ounces (total package) |
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact ITOTIN customer service through the retailer where the product was purchased. Keep your purchase receipt for warranty claims.





