SANSUI F55 Portable Bluetooth Speaker User Manual

1. Product Overview

The SANSUI F55 is a versatile portable Bluetooth speaker designed for home use, offering a rich multimedia experience. It features a 7-inch LED display, allowing for video playback from a U disk or TF card. With Bluetooth 5.3 connectivity, FM radio, and multiple sound modes, it delivers clear audio and convenient functionality. Its compact design includes a built-in kickstand for stable viewing and a portable strap for easy carrying.

2. Package Contents

• Bluetooth Speaker × 1
• Charging Cable × 1
• User Manual × 1

3. Specifications

Image: SANSUI F55 with dimensions (210mm x 127mm x 43mm), 7-inch screen, 4400mAh battery, and Bluetooth 5.3.

4. Setup

1. Unpacking: Carefully remove all components from the packaging. Ensure all items listed in the 'Package Contents' section are present.
2. Initial Charge: Before first use, fully charge the speaker. Connect the provided charging cable to the USB Type-C port on the speaker and the other end to a suitable USB charger (not included). The red LED indicator will be on during charging and turn off when fully charged.
3. Power On: Long press the Power Button for 3 seconds to turn on the speaker.

5. Operating Instructions

5.1. Button Functions

• Power Button: Long press for 3 seconds to turn the speaker on/off. Short press to play/pause audio.
• Volume + Button: Short press to increase volume. Long press to skip to the next song.
• Volume - Button: Short press to decrease volume. Long press to go to the previous song.
• Mode Button: Press to switch between Bluetooth mode and AUX mode.
• LED Indicator:
  • Blue flashing: Indicates pairing mode.
  • Blue always on: Indicates a successful Bluetooth connection.
  • Red: Indicates the speaker is charging.

5.2. Bluetooth Connection

1. Long press the Power button to turn on the speaker.
2. The LED indicator will flash blue, indicating the speaker is in pairing mode.
3. On your mobile device, open Bluetooth settings, search for the speaker (e.g., "SANSUI F55" or "BT-Speaker-01"), and connect.
4. Once connected, the LED indicator will show a solid blue light. You can now play music and answer calls through the speaker.

5.3. 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.

5.4. Multimedia Playback (USB/TF Card)

The SANSUI F55 supports playing video and music files directly from a U disk (USB drive) or TF card.

• Insert a U disk into the USB port or a TF card into the TF card slot.
• Use the on-screen menu (Music, Video, Picture, etc.) to navigate and select your desired media files for playback.

Image: SANSUI F55 displaying video playback from a U disk or TF card.

Image: SANSUI F55 screen showing menu icons for Music, Video, Picture, Sound Recording, Bluetooth, Radio, Document Management, Setup, highlighting various functions including USB and TF card playback.

Image: SANSUI F55 main screen displaying menu icons for Music, Video, Picture, Sound Recording, Bluetooth, Radio, Document Management, and Setup.

5.5. FM Radio

The speaker includes an FM radio function. Use the on-screen menu or dedicated buttons to access and tune into FM radio stations.

5.6. Kickstand Function

The integrated kickstand allows for stable positioning of the speaker, making it easy to view the 7-inch display, whether sitting upright or lying down.

Image: SANSUI F55 with its kickstand extended, demonstrating stable support for easy viewing.

6. Charging

1. Connect the provided charging cable to the speaker's USB Type-C port and a compatible USB power adapter.
2. The red LED indicator will illuminate to show that the speaker is charging.
3. Once the battery is fully charged, the red LED indicator will turn off.

7. Maintenance

• Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Keep the speaker away from water, moisture, and extreme temperatures.
• Store the speaker in a cool, dry place when not in use for extended periods.
• Avoid dropping or subjecting the speaker to strong impacts.

8. Troubleshooting

• Cannot connect Bluetooth: Try restarting both the speaker and your phone/device, then attempt to reconnect. Ensure the speaker is in pairing mode (blue LED flashing).
• No sound: Check the volume levels on both the speaker and your connected device. Verify that the speaker is in the correct connection mode (Bluetooth or AUX).
• Battery runs out fast: Ensure the speaker is fully charged before use. Lowering the volume can help extend battery life.

9. Safety Instructions

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 prolonged periods to prevent hearing damage.
• Stop using the speaker immediately if you notice overheating, smoke, or an abnormal smell.

10. User Tips

• The SANSUI F55 supports FM radio bands. For other bands like LW, MW, or SW, please refer to the device's on-screen menu or specific product documentation if available.
• While the speaker supports TF cards and USB drives, the maximum supported capacity for these storage devices is not specified in the manual. It is generally recommended to use commonly available capacities.

11. Warranty & Support

For any issues or inquiries, please contact customer support:

• Service Email: support@123.com
• Warranty Period: 3 months