1. Product Overview
The SanSui F21 is a versatile portable audio player featuring Bluetooth 5.0 connectivity, FM radio, TF card and USB playback, and a recording function. Its compact design makes it ideal for outdoor use and personal listening.
2. Package Contents
- SanSui F21 Speaker x 1
- TYPE-C Charging Cable x 1
- Hanging Rope x 1
- Instruction Manual x 1
- Certificate x 1
3. Setup
3.1 Charging the Device
Before first use, fully charge the SanSui F21. Connect the provided TYPE-C charging cable to the speaker's charging port and the other end to a DC5V.1A power adapter (not included) or a compatible USB port. The charging indicator will show the charging status.
3.2 Power On/Off
Press and hold the power button (usually the 'M' or Mode button, or a dedicated power button) for a few seconds to turn the speaker on or off. A voice prompt or screen display will indicate the power status.
3.3 Inserting TF Card or USB Drive
To play music from a TF card or USB drive, gently insert the card into the TF card slot or the USB drive into the USB port. The speaker will automatically detect the storage device and switch to the corresponding playback mode.
4. Operating Instructions
4.1 Mode Selection
Press the 'M' (Mode) button to cycle through available modes: Bluetooth, FM Radio, TF Card, and USB. The display screen will show the current mode.
4.2 Bluetooth Mode
- Switch the speaker to Bluetooth mode. The display will show 'BLUE' or a similar indicator.
- On your mobile device, enable Bluetooth and search for available devices.
- Select 'SanSui F21' from the list to pair. A confirmation sound will indicate successful pairing.
4.3 FM Radio Mode
- Switch the speaker to FM Radio mode.
- Extend the telescopic antenna for better reception.
- Use the number pad to directly input a frequency (e.g., 97.6) or use the 'Previous/Next' buttons to scan for stations.
- The FM radio supports frequencies from 70-87MHz and 87-108MHz.
4.4 TF Card / USB Playback
- Ensure a TF card or USB drive with audio files (FLAC, APE, MP3, Radio) is inserted.
- Switch to TF Card or USB mode.
- Use the 'Play/Pause' button to control playback.
- Use the 'Previous/Next' buttons to skip tracks.
4.5 Recording Function
To use the recording function, ensure a TF card or USB drive is inserted. Press the dedicated 'Record' button (often marked with a red dot) to start and stop recording. Recordings will be saved to the inserted storage device.
4.6 Headphone Use
Plug any standard 3.5mm headphones into the headphone jack for private listening. The speaker's sound will automatically mute when headphones are connected.
4.7 Controls
- M (Mode) Button: Switches between Bluetooth, FM Radio, TF Card, and USB modes.
- Play/Pause Button: Starts or pauses playback.
- Previous/Next Buttons: Skips to the previous or next track/station.
- Number Pad (0-9, 00): Direct input for track numbers or FM frequencies.
- Volume Control: Typically integrated with other buttons or a dedicated dial.
Video demonstrating the speaker's controls, including mode switching, track skipping, and FM radio tuning.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use harsh chemicals or abrasive cleaners.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Storage: Store the speaker in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Water Resistance: This device is NOT waterproof. Avoid exposure to water or moisture.
6. Troubleshooting
- No Power: Ensure the battery is charged. Connect the speaker to a power source and try turning it on again.
- No Sound: Check the volume level on both the speaker and the connected device (if using Bluetooth). Ensure headphones are not plugged in if you expect sound from the speaker.
- Bluetooth Disconnection/Failure to Pair: Make sure the speaker is in Bluetooth mode and within range of your device. Disconnect and re-pair the device. Try restarting both the speaker and your Bluetooth device.
- Poor FM Radio Reception: Fully extend the telescopic antenna. Try moving to a location with better signal.
- TF Card/USB Not Playing: Ensure the files are in a supported format (FLAC, APE, MP3, Radio). Reinsert the storage device.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | SanSui |
| Model | F21 |
| Type | Portable Speaker |
| Horn Size | 1.5 inch |
| Output Power (PMPO) | 8W (3W Horn) |
| Frequency Response | 100Hz-18KHz |
| Bluetooth Version | 5.0 |
| Max Wireless Range | 10m-20m |
| Battery Capacity | 750mAh |
| Input Power Supply | DC5V.1A (USB) |
| Functions | TF Card, USB, Bluetooth, FM Radio, Recorder, 3.5mm Headphone Jack, FLAC/APE Lossless Playback |
| FM Radio Frequency | 70-87MHz, 87-108MHz |
| Audio Crossover | Full-Range |
| Number of Loudspeaker Enclosure | 1 |
| Display Screen | Yes |
| Built-in Microphone | Yes |
| Material | Plastic |
| Dimensions | 104 x 26 x 61mm |
| Weight | Approx. 150g |
| Certification | CE |
8. User Tips
- Language Change: If the device's voice prompts or display language is not English, consult the full instruction manual (if available) or contact customer support for specific steps on how to change the language setting. This often involves a combination of button presses or a menu option accessible via the 'M' button.
- Portability: Use the included hanging rope to easily carry the speaker for outdoor activities.
9. Warranty and Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.
