1. Introduction
Thank you for purchasing the SANSUI F59 Wireless Bluetooth Speaker. This portable multimedia speaker is designed to deliver high-fidelity sound with versatile playback options, including Bluetooth, FM radio, MP3, and AUX input. It features vibrant RGB ambient lighting, a long-lasting battery, and a compact design perfect for both indoor and outdoor use. Please read this manual carefully to ensure proper operation and to get the most out of your device.

2. Package Contents
- SANSUI F59 Wireless Bluetooth Speaker
- Charging Cable (USB)
- User Manual
3. Product Overview
The SANSUI F59 features a user-friendly interface with a numeric keypad for direct track selection, a rotary knob for volume control, and various ports for connectivity.

Key Features:
- Wireless Bluetooth 5.3 connectivity
- High-fidelity dual speakers for surging HD sound quality
- RGB ambient lighting with multiple display effects
- Multiple playback modes: Bluetooth, U disk, dual TF card, FM radio, AUX input
- One-key recording and file deletion
- Loop playback (single track and full loop)
- Timer shutdown function (15/30/45/60/90/120 minutes)
- Portable design with silicone handle
- Built-in 3600mAh lithium battery
- Digital song selection for MP3 and direct frequency tuning for FM radio

4. Setup
4.1 Charging the Speaker
- Connect the provided USB charging cable to the speaker's charging port.
- Connect the other end of the USB cable to a compatible USB power adapter (DC 5V/1A) or a computer's USB port.
- The charging indicator light will illuminate.
- A full charge typically takes 4-5 hours. The indicator light will change or turn off once charging is complete.
4.2 Powering On/Off
- Power On: Rotate the volume knob clockwise or press the power button (if available) until the display lights up.
- Power Off: Rotate the volume knob counter-clockwise until it clicks off, or long-press the power button.
4.3 Initial Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode (usually indicated by a flashing Bluetooth icon or a voice prompt).
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices. You should see "SANSUI F59" in the list.
- Select "SANSUI F59" to pair. Once paired, the speaker will usually give an audible confirmation, and the Bluetooth indicator will stop flashing.
- The speaker will automatically reconnect to the last paired device when powered on, if the device's Bluetooth is active and within range.
5. Operating Instructions
5.1 Mode Selection
Press the 'Mode' button to cycle through available modes: Bluetooth, FM Radio, USB Playback, TF Card Playback, and AUX Input.

5.2 Volume Control
Rotate the large knob on the top panel to adjust the volume. Clockwise to increase, counter-clockwise to decrease.
5.3 MP3 Playback (USB/TF Card)
- Insert a USB drive or TF card (up to two TF cards supported) containing MP3/WAV audio files into the respective port.
- Switch the speaker to USB or TF Card mode.
- Use the numeric keypad (0-9) to directly select a track by combining single keys and numbers. For example, to play track 15, press '1' then '5'.
- Use the 'Previous Track' and 'Next Track' buttons to navigate.
- Press the 'Play/Pause' button to pause or resume playback.
- Press the 'Loop' button to switch between single track loop and full loop playback.

5.4 FM Radio Operation
- Switch the speaker to FM Radio mode.
- Use the numeric keypad (0-9) to directly tune to a specific frequency. For example, to tune to 98.7 MHz, press '9', '8', '7'.
- Use the 'Previous Track' and 'Next Track' buttons to scan for the next/previous available station.
5.5 Recording Function
In USB or TF Card playback mode:
- Start Recording: Long-press the 'Record' button.
- Stop Recording: Short-press the 'Record' button again during recording.
- Playback Recording: Short-press the 'Record' button when not recording to play back the recorded files from the USB drive/TF card.

5.6 File Deletion
To delete a file (e.g., a recorded file) from the USB drive or TF card, navigate to the file and long-press the 'Delete' button.
5.7 RGB Ambient Lighting
Press the 'Light' button to cycle through different RGB lighting effects or to turn the lights off.

5.8 Timer Shutdown
Short-press the 'Timer' button to set the automatic shutdown time. Available options include 15, 30, 45, 60, 90, and 120 minutes.

5.9 Video Demonstration
6. Maintenance
- Keep the speaker away from water, moisture, and extreme temperatures.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid dropping or subjecting the speaker to strong impacts.
- When not in use for extended periods, charge the battery at least once every three months to prolong its lifespan.
7. Troubleshooting
7.1 No Power
- Ensure the battery is charged. Connect the speaker to a power source and allow it to charge for a few minutes before attempting to power on.
- Check the charging cable and adapter for damage.
7.2 No Sound
- Increase the volume on both the speaker and your connected device.
- Ensure the speaker is in the correct playback mode (Bluetooth, FM, USB, TF, AUX).
- If using Bluetooth, ensure the device is properly paired and connected.
- If using USB/TF card, ensure the audio files are in a supported format (MP3, WAV).
7.3 Bluetooth Disconnection
- Ensure the speaker and your device are within the maximum wireless range (10-20m) and there are no significant obstacles.
- Try unpairing and re-pairing the device.
- Restart both the speaker and your Bluetooth device.
7.4 FM Radio Reception is Poor
- Extend the antenna (if applicable) or reposition the speaker for better signal reception.
- Move away from sources of interference (e.g., other electronic devices).
8. Specifications
| Feature | Specification |
|---|---|
| Model | F59 |
| Bluetooth Version | 5.3 |
| Maximum Wireless Range | 10m-20m |
| Battery Capacity | 3600mAh |
| Charging Voltage | DC 5V/1A |
| Charging Time | 4-5 hours |
| Playback Time | 3-6 hours |
| Frequency Range | 100Hz-20KHz |
| Sensitivity | 75dB |
| Impedance | 2-4 Ohm |
| PMPO | 28W |
| Output Voltage | 20W |
| Channels | 2 (2.0) |
| Audio Crossover | Full-Range |
| Input/Output | USB, AUX, Bluetooth, Audio Line |
| Playback Function | Radio, MP3, WAV |
| Support Memory Card | Yes (Dual TF Card Slots) |
| Material | Plastic (Cabinet, Subwoofer) |
| Dimensions (Approx.) | 160 x 58 x 84 mm |
| Certification | CE |

9. User Tips
- Maximize Storage: Utilize both TF card slots for extensive music libraries, especially for long trips or outdoor activities.
- Convenient Listening: Take advantage of the timer shutdown feature for bedtime listening without worrying about draining the battery overnight.
- Enhanced Portability: The silicone handle makes it easy to carry the speaker for outdoor sports or travel.
- Direct Access: Use the numeric keypad for quick access to specific songs or FM radio frequencies, saving time compared to sequential scanning.
10. Warranty and Support
SANSUI products are manufactured to the highest quality standards. For any technical support or warranty inquiries, please refer to the contact information provided with your purchase documentation or visit the official SANSUI website. Keep your proof of purchase for warranty claims.