1. Introduction
The Raddy RF757 is a portable multi-band shortwave radio designed for versatile reception across various frequency ranges. It features AM, FM, SW, UHF, VHF, CB, AIR, and NOAA reception capabilities, along with smart APP control, a 2500mAh rechargeable battery, and emergency functions like SOS alert and a flashlight. This manual provides detailed instructions for the proper setup, operation, and maintenance of your RF757 radio.
2. Package Contents
Verify that all items are present in the package:
- Raddy RF757 Multi-Band Shortwave Radio
- Wired Antenna
- Headset
- USB Type-C Charging Cable
- Owner's Manual

Image: Raddy RF757 radio with its accessories.
3. Product Overview
The Raddy RF757 radio offers a comprehensive set of features for communication and entertainment.
3.1 Key Features
- Multi-Band Reception: Supports AM, FM, SW, UHF, VHF, CB, AIR, and NOAA frequencies.
- Smart APP Control: Adjust settings, switch channels, and manage presets via a smartphone application (Android, iOS, HarmonyOS).
- Advanced Tuning Options: Includes auto, semi-auto, and manual search functions, digital tuning, and manual knob tuning.
- Large Preset Capacity: Stores up to 1000 stations (200 each for AIR, FM, VHF, MW, and SW).
- Long-Lasting Power: Equipped with a 2500mAh rechargeable battery, providing extended operating time.
- Emergency Functions: Features NOAA weather alerts, SOS alarm, and an integrated flashlight.
- Sound Effects: Offers 6 distinct sound effects for an enhanced listening experience.
- TF Card Playback: Supports playback from a TF card.
- Bluetooth Connectivity: Allows for wireless audio streaming.

Image: Raddy RF757 radio with its smartphone application interface.

Image: Raddy RF757 radio highlighting multi-band reception.
4. Setup
4.1 Battery Installation and Charging
- The RF757 is equipped with a 2500mAh rechargeable battery. Ensure the battery is properly inserted into the battery compartment.
- Connect the supplied USB Type-C charging cable to the radio's charging port and to a compatible USB power source (e.g., wall adapter, computer USB port).
- The charging indicator will illuminate during charging. A full charge typically takes 4-5 hours.

Image: Battery compartment and USB-C charging port.
4.2 Antenna Connection
For optimal reception, especially on SW and other bands, extend the telescopic antenna fully. For enhanced shortwave reception, connect the wired antenna to the designated antenna jack on the radio.
5. Operating Instructions
5.1 Power On/Off
Press and hold the Power button to turn the radio on or off.
5.2 Band Selection
Press the BAND button to cycle through available frequency bands: AM, FM, SW, VHF, UHF, CB, AIR, NOAA.
5.3 Tuning Options
- Manual Tuning: Use the tuning knob or the + / - buttons to adjust the frequency incrementally.
- Digital Tuning: Enter the desired frequency directly using the numeric keypad. Press ENTER to confirm.
- Auto Scan: Press the SCAN button to automatically search for and store available stations.
- Semi-Auto Scan: Refer to the detailed instructions in the included Owner's Manual for specific steps on semi-auto scanning.
5.4 Preset Management
The radio can store up to 1000 stations. To save a station:
- Tune to the desired frequency.
- Press the MEMO button.
- Use the numeric keypad or + / - buttons to select a memory location.
- Press ENTER to confirm and save the station.
To recall a saved station, press the PRESET button and use the numeric keypad or + / - buttons to select the desired preset.

Image: Raddy RF757 radio highlighting its station storage capacity.
5.5 Smart APP Control
Download the dedicated Raddy control application from your smartphone's app store (available for Android, iOS, and HarmonyOS). Follow the in-app instructions to pair your device with the RF757 radio via Bluetooth. The app allows for remote control of volume, channel switching, and preset management.
5.6 SOS Alert and Flashlight
In emergency situations, activate the SOS alert function by pressing the dedicated SOS button. The radio will emit a loud alarm. The integrated flashlight can be activated via a switch on the side of the unit for illumination.

Image: Raddy RF757 radio demonstrating SOS alarm and flashlight features.
5.7 Sound Effects
The RF757 offers 6 sound effects to customize your listening experience. Press the MODE button to cycle through options such as Classic, Country, Jazz, Pop, Normal, and Rock.

Image: Raddy RF757 radio displaying available sound effects.
5.8 Bluetooth and TF Card Playback
The radio supports Bluetooth connectivity for streaming audio from compatible devices. Insert a TF card into the designated slot to play stored audio files directly from the card.

Image: Detailed view of radio features including headset port, flashlight, TF card slot, recording, and SOS.
6. Maintenance
To ensure the longevity and optimal performance of your Raddy RF757 radio, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the radio's exterior. Avoid using abrasive cleaners, solvents, or strong chemicals, as these can damage the finish.
- Storage: When not in use for extended periods, store the radio in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Recharge the battery regularly, even if the radio is not frequently used, to maintain battery health. Avoid fully discharging the battery for prolonged periods.
- Antenna Care: Handle the telescopic antenna gently to prevent bending or breakage. Retract it when not in use to protect it.
- Water Exposure: The radio is not waterproof. Avoid exposure to rain, splashes, or high humidity.
7. Troubleshooting
If you encounter issues with your RF757 radio, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on. | Low battery or battery not inserted correctly. | Charge the battery. Ensure the battery is correctly installed. |
| Poor reception. | Weak signal, antenna not extended, or environmental interference. | Extend the telescopic antenna fully. Try connecting the wired antenna. Move to an open area away from obstructions or electronic devices. |
| APP control not connecting. | Bluetooth not enabled, radio not in pairing mode, or app issue. | Ensure Bluetooth is enabled on your smartphone and the radio. Restart both the radio and the app. Follow app pairing instructions carefully. |
| No sound from speaker. | Volume too low, headphones connected, or speaker malfunction. | Increase volume. Disconnect headphones. If problem persists, contact support. |
| SOS alarm not working. | Button not pressed correctly or internal issue. | Ensure the SOS button is pressed firmly. If still not working, contact support. |
8. Specifications
Detailed technical specifications for the Raddy RF757 radio:
| Feature | Detail |
|---|---|
| Model Number | RF757 |
| Product Dimensions | 2.76"L x 1.57"W x 5.91"H (7.01 x 3.99 x 15.01 cm) |
| Item Weight | 1.04 pounds (0.47 kg) |
| Battery Capacity | 2500mAh Rechargeable Battery |
| Charging Time | 4-5 hours |
| Working Time | 13-15 hours (approx.) |
| Radio Bands Supported | AM, FM, SW, VHF, UHF, CB, AIR, NOAA |
| Preset Stations | Up to 1000 (200 each for AIR, FM, VHF, MW, SW) |
| Connectivity Technology | Bluetooth |
| Special Features | Bluetooth, Built-In AM Antenna, Portable, Rechargeable, SOS Alarm, Flashlight |
| Color | Black |
9. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or visit the official Raddy website. Keep your purchase receipt for warranty claims.





