1. Introduction
Thank you for choosing the Retevis RB689 Two-Way Radio. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.

Image 1.1: Retevis RB689 Two-Way Radio and Wireless Earpiece.
2. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact your retailer.
- 2 x Retevis RB689 Walkie-Talkies
- 2 x Chargers
- 2 x Lanyards
- 2 x Belt Clips
- 2 x Wireless Headsets
- 2 x Charging Cables (USB-C)
- 1 x User Manual

Image 2.1: Overview of included components in the Retevis RB689 package.
3. Product Overview
The Retevis RB689 is a high-power two-way radio designed for reliable communication. Key features include:
- High Power Output: Ensures stable signal and long-distance communication, even through obstacles.
- Wireless Earpiece: Provides hands-free operation with a stable Bluetooth connection and Type-C charging.
- VOX Function: Allows voice-activated transmission, freeing your hands for other tasks.
- Built-in Flashlight: Enhances utility in low-light or dark environments.
- LED Display: Clearly shows channel, battery level, VOX status, and wireless connection.
- Durable Construction: Robust body designed for outdoor and demanding environments.
- Long Battery Life: 2600mAh battery offers up to 5 days standby time.

Image 3.1: High power capability for extended range communication.
4. Setup
4.1 Battery Installation and Charging
The RB689 radio comes with a 2600mAh Lithium-ion battery. Ensure the battery is fully charged before first use.
- To install the battery, align it with the battery compartment on the back of the radio and press firmly until it clicks into place.
- To charge the radio, place it in the charging cradle. Connect the charging cable to the cradle and a suitable USB power source. The LED indicator on the radio will show charging status.
- The wireless earpiece has a 180mAh battery. Charge it using the provided Type-C charging cable.

Image 4.1: Charging the Retevis RB689 radio and wireless earpiece.
4.2 Wireless Earpiece Pairing
The wireless earpiece connects automatically to the radio. Follow these steps for initial pairing:
- Ensure the RB689 radio is powered on.
- Long press the PF2 key on the walkie-talkie to activate its wireless function.
- Long press the power button on the wireless earpiece for approximately 5 seconds to turn it on.
- The earpiece and radio will automatically pair. A confirmation indicator (e.g., LED change) will show successful connection.

Image 4.2: Wireless earpiece with PTT button and Type-C charging.
5. Operating Instructions
5.1 Power On/Off
To power on the radio, rotate the Power/Volume knob clockwise until you hear a click. To power off, rotate it counter-clockwise until it clicks.
5.2 Channel Selection
Use the Channel Selector knob (typically located on top of the radio) to select one of the 16 available channels. The selected channel will be displayed on the LED screen.

Image 5.1: The LED display shows current channel and other operational information.
5.3 Transmitting and Receiving (PTT)
To transmit, press and hold the Push-To-Talk (PTT) button on the side of the radio or on the wireless earpiece. Speak clearly into the microphone. Release the PTT button to receive.
5.4 VOX Function
The Voice Operated Exchange (VOX) function allows you to transmit without pressing the PTT button. To activate VOX, long press the PF1 button on the radio. Speak into the microphone, and the radio will automatically transmit when it detects your voice. Long press PF1 again to deactivate.

Image 5.2: The VOX function enables hands-free communication.
5.5 Flashlight Function
The RB689 includes a built-in flashlight for convenience in dark environments. Refer to your radio's specific button layout for flashlight activation (often a short press of a programmable function key).

Image 5.3: The integrated flashlight provides illumination in dark conditions.
5.6 Compatibility with Other Radios
The Retevis RB689 is compatible with other Retevis radios and most other brands, provided they operate on the same frequency and utilize the same CTCSS/DCS codes. Ensure your radios are configured to match for seamless communication.
6. Maintenance
6.1 Battery Care
- Do not expose the battery to extreme temperatures.
- Avoid overcharging or completely draining the battery for optimal lifespan.
- If the radio will not be used for an extended period, remove the battery.
6.2 Cleaning
Clean the radio and earpiece with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure all ports are dry before charging.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on | Low battery; Battery not installed correctly | Charge the battery; Reinstall the battery |
| Cannot communicate with other radios | Different channels/frequencies; Different CTCSS/DCS codes; Out of range | Ensure all radios are on the same channel and have matching CTCSS/DCS codes; Move closer to the other radio |
| Wireless earpiece not connecting | Earpiece not powered on; Not in pairing mode; Low earpiece battery | Ensure earpiece is powered on and in pairing mode (long press power button); Charge earpiece battery |
| Poor audio quality | Weak signal; Obstructions; Volume too low/high | Move to an open area; Adjust volume |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Retevis |
| Model Number | RB689 |
| Color | Black |
| Connections | Bluetooth |
| Special Features | High power, Wireless earpiece, VOX, Flashlight |
| Battery Composition | Lithium-ion |
| Radio Battery Capacity | 2600mAh |
| Earpiece Battery Capacity | 180mAh |
| Number of Channels | 16 |
| Frequency Range | 400-430MHz |
| Maximum Range | 5 Kilometers |
| Voltage | 7.4 Volts |
| Water Resistance Level | Waterproof |
| Product Dimensions | 4.1D x 6.2W x 26.5H cm |
| Country of Origin | China |
9. Warranty and Support
Retevis offers a 2-year warranty for the radio body and a 1-year warranty for accessories. Additionally, a 30-day no-reason return policy is provided. Beyond the warranty period, maintenance services are available, with buyers responsible for associated costs.
For support or warranty claims, please contact Retevis customer service via Amazon. We aim to respond within 12 hours.







