1. Introduction
The ChunHee Wireless Intercom System provides convenient and efficient two-way communication within your home, office, or garden. Designed for ease of use, this full-duplex system allows for hands-free conversations without the need to hold down a talk button. It is ideal for connecting different rooms, floors, or even outdoor areas, ensuring quick and clear communication for families and caregivers.
This manual will guide you through the setup, operation, and maintenance of your intercom system to ensure optimal performance.
2. Package Contents
Your ChunHee Wireless Intercom System package includes:
- 2 x Wireless Intercom Units
- 2 x Type-C Charging Cables
- User Manual (this document)
3. Product Overview
Each ChunHee intercom unit features a simple, intuitive design for easy operation. Familiarize yourself with the main components:
- Speaker: For clear audio output.
- Microphone: For voice input during conversations.
- Green Talk Button: The primary button for initiating and conducting conversations.
- VOL- Button: Decreases volume.
- VOL+ Button: Increases volume.
- Power/Ringtone Button: Used to power the unit on/off and select ringtones.
- Charging Port: Type-C port for recharging the internal battery.
- LED Indicator: Displays power and charging status.

Figure 3.1: Front view of the ChunHee Wireless Intercom unit, highlighting the simple button layout for full-duplex communication.
4. Setup
4.1 Initial Charging
Before first use, fully charge both intercom units. Connect the provided Type-C charging cables to the charging ports on each unit and plug them into a standard USB power adapter (not included). The LED indicator will show charging status. A full charge typically provides 72-96 hours of standby time or approximately one week of regular use.

Figure 4.1: Charging the intercom unit using the Type-C cable.
4.2 Powering On/Off
- To Power On: Press and hold the Power/Ringtone button for a few seconds until the unit powers on.
- To Power Off: Press and hold the Power/Ringtone button for a few seconds until the unit powers off.
4.3 Placement
Place the intercom units in desired locations within your home or office. For optimal performance, avoid placing units near large metal objects, thick walls, or other electronic devices that may cause interference. The system is designed for reliable communication through walls, with an indoor range of up to 100 meters (328 feet) and an outdoor range of up to 150 meters (492 feet).

Figure 4.2: Illustration of the intercom's effective range indoors and outdoors.
5. Operating Instructions
5.1 Making a Call
To initiate a conversation, simply press the large green Talk button on your intercom unit. The other unit will ring. Once the other party responds, you can begin speaking. The system supports full-duplex communication, allowing both parties to speak and listen simultaneously, similar to a phone call.

Figure 5.1: Example of room-to-room communication using the intercom system.
5.2 Adjusting Volume
Use the VOL+ and VOL- buttons located below the green Talk button to adjust the listening volume to your preference.
5.3 Changing Ringtone
The intercom system offers 4 different ringtones. To cycle through the available ringtones, briefly press the Power/Ringtone button while the unit is powered on and not in a call.

Figure 5.2: The intercom is designed for easy use, including ringtone selection.
6. Maintenance
6.1 Cleaning
To clean your intercom units, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface and internal components. While the units are water-resistant, avoid submerging them in water or exposing them to heavy rain.
6.2 Battery Care
To prolong battery life, avoid fully discharging the units frequently. Recharge the units when the low battery alarm ('Low internal battery') is heard. It is recommended to charge the units overnight to ensure they are ready for use.
7. Troubleshooting
- No Power: Ensure the unit is fully charged. Connect it to a power source using the Type-C cable.
- No Communication:
- Check if both units are powered on.
- Ensure units are within range (up to 100m indoors, 150m outdoors).
- Relocate units away from potential sources of interference (e.g., large metal objects, other strong electronic signals).
- Low Volume: Press the VOL+ button to increase the volume.
- Distorted Audio: Move units closer together or away from interference.
- Low Battery Alarm: Recharge the unit immediately.
8. Specifications
| Brand | ChunHee |
| Model | Wireless Intercom System (B0FL77QDPN) |
| Color | Black |
| Number of Units | 2 |
| Number of Channels | 5 |
| Special Features | Full Duplex Hands-Free, Easy to Use |
| Maximum Talk Range | 150m (492 feet) outdoors, 100m (328 feet) indoors |
| Water Resistance Level | Water Resistant |
| Battery Life (Standby) | 72-96 hours |
| Battery Life (Regular Use) | Approx. 7 days |
| Battery Capacity | 1000 mAh |
| Charging Port | Type-C |
9. Safety Information
- Do not attempt to disassemble or modify the intercom units.
- Keep units away from extreme temperatures, direct sunlight, and open flames.
- Use only the provided charging cables.
- Keep out of reach of small children to prevent choking hazards from small parts.
- Dispose of batteries and electronic components responsibly according to local regulations.
10. Warranty and Support
For warranty information or technical support, please refer to the contact details provided at the point of purchase or visit the official ChunHee website. Please have your model number (B0FL77QDPN) ready when contacting support.







