SANSUI F28 Portable Bluetooth FM Radio User Manual

1. Introduction

Thank you for purchasing the SANSUI F28 Portable Bluetooth FM Radio. This device is designed for ease of use, offering multiple playback options including FM radio, Bluetooth connectivity, and playback from TF cards and USB drives. It features a dual speaker system for clear sound, a lyrics display screen, and a recording function. Please read this manual carefully to ensure proper operation and to fully enjoy all the features of your new device.

2. Package Contents

• SANSUI F28 Portable Bluetooth FM Radio × 1
• USB Type-C Charging Cable × 1
• User Manual × 1

3. Product Overview

3.1. Device Layout

3.2. Button Functions

3.3. LED Indicator

• Blue flashing: Bluetooth pairing mode.
• Blue solid: Bluetooth connected.
• Red solid: Charging.
• Red off: Fully charged.

4. Setup and Initial Use

4.1. Charging the Device

1. Connect the supplied USB Type-C charging cable to the charging port on the speaker.
2. Connect the other end of the cable to a compatible USB charger (DC 5V/1A recommended).
3. The LED indicator will show a solid red light, indicating that the device is charging.
4. Once fully charged (approximately 2-3 hours), the red light will turn off.

Note: For optimal battery life, fully charge the device before first use.

4.2. General Care

• Keep the device dry. Do not expose it to moisture or liquids.
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Avoid extreme temperatures and direct sunlight.
• Store the device in a cool, dry place when not in use for extended periods.

5. Operating Instructions

5.1. Power On/Off

• To turn on: Long press the Power button for 3 seconds.
• To turn off: Long press the Power button for 3 seconds.

5.2. Bluetooth Connection

1. Turn on the speaker by long pressing the Power button. The LED indicator will flash blue, indicating it's in pairing mode.
2. On your mobile device, enable Bluetooth and search for available devices.
3. Select "SANSUI F28" (or similar name) from the list to connect.
4. Once connected, the LED indicator will show a solid blue light. You can now play audio from your device through the speaker and answer calls.

5.3. FM Radio Mode

1. Press the Mode button repeatedly until "FM Radio" or the frequency is displayed on the screen.
2. Extend the telescopic antenna for better signal reception.
3. To auto-scan and save stations: (Specific instruction not provided, assume long press play/pause or mode button, or refer to general radio operation).
4. To manually tune or select a station: Use the number buttons (0-9) to directly input the frequency (e.g., for 74.8 MHz, input 7.4.8).

5.4. TF Card / USB Disk Playback

1. Insert a TF card into the TF card slot or a USB disk into the USB port.
2. The device will automatically switch to the corresponding playback mode (TF or USB). If not, press the Mode button to select.
3. Music files will play automatically. Use the Volume +/- buttons (short press) for volume control, and long press for next/previous song.
4. To select a specific song, use the number buttons (e.g., for the 19th song, input 1.9).

5.5. AUX Mode

1. Connect a 3.5mm audio cable (not included) from your external audio device to the AUX input port on the speaker.
2. The speaker will automatically switch to AUX mode. If not, press the Mode button to select AUX.
3. Play audio from your connected device.

5.6. Recording Function

1. Ensure a TF card or USB disk is inserted for storage.
2. In TF card or USB disk music playback mode, long press the Record button to start recording.
3. During recording, short press the Record button again to end the recording.
4. Short press the Play/Pause button to play the recorded file.

5.7. Lyrics Display and Clock/Alarm

• The high-definition screen displays song titles and synchronized lyrics during playback (if available in the media file).
• The screen also shows the current time and supports clock alarm settings. (Specific instructions for setting clock/alarm are not provided, refer to device interface).

6. Specifications

7. Troubleshooting

• Cannot connect Bluetooth: Restart both the speaker and your phone, then attempt to reconnect.
• No sound: Check the volume level on both the speaker and your connected device. Ensure the correct input mode (Bluetooth, AUX, TF, USB) is selected.
• Battery runs out fast: Ensure the device is fully charged. Lower the volume during playback to conserve battery life.

8. Safety Warnings

WARNING: Risk of fire, explosion, and burns.

Small parts are included. Keep away from children under 3 years old to prevent choking risk.

• Do not disassemble, puncture, or throw the battery into fire.
• Do not use the speaker in high temperature, humid, or dusty environments.
• Avoid playing at maximum volume for extended periods to prevent hearing damage.
• Keep the speaker away from children under 3 years old to prevent choking hazards.
• Stop using immediately if there is overheating, smoke, or abnormal smell.

9. User Tips

No specific user tips were available from provided reviews or Q&A. However, based on product features:

• Portability: The SANSUI F28 is lightweight (approx. 250g) and features a lanyard design, making it ideal for outdoor activities and travel.
• Signal Reception: Always extend the telescopic antenna fully when using FM radio for the best signal quality.
• Media Playback: For TF card and USB disk playback, ensure your music files are in a compatible format (e.g., MP3).
• Battery Life: To maximize playback time, consider using the device at moderate volume levels.

10. Warranty and Support

This product comes with a 3-month warranty.

For technical support or warranty claims, please contact customer service via email: support@123.com.

Please note: The provided email address is a placeholder. Refer to your purchase documentation for the correct support contact.

A detailed user manual in PDF format is also available: Download PDF User Manual

11. Product Video Overview