SANSUI U3 Portable Bluetooth Speaker

Introduction

The SANSUI U3 Portable Bluetooth Speaker is designed to provide high-quality audio for both indoor and outdoor environments. Featuring deep bass, multiple playback options including TF card, USB, FM radio, and AUX input, along with hands-free calling, this speaker offers versatile functionality in a compact design.

Package Contents

Before you begin, please ensure all items are present in the package:

• SANSUI U3 Portable Bluetooth Speaker
• Instruction Manual
• Type-C Charging Cable
• 18650 Lithium Battery (1200mAh)

Setup

1. Charging the Speaker

Before first use, fully charge the speaker. Connect the provided Type-C charging cable to the speaker's DC 5V port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator will show the charging status.

2. Power On/Off

Press and hold the power button (usually marked with a power symbol) to turn the speaker ON or OFF.

3. Bluetooth Pairing

1. Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing light or an audible prompt.
2. Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
3. Search for available Bluetooth devices and select "SANSUI U3" from the list.
4. Once connected, the speaker will provide an audible confirmation, and the indicator light will become solid.

4. Connecting via AUX

Insert a 3.5mm audio cable (not included) into the AUX port on the speaker and the other end into the audio output jack of your device. The speaker will automatically switch to AUX mode.

5. Using TF Card / USB Drive

Insert a TF (MicroSD) card or a USB flash drive into the respective slots on the speaker. The speaker will automatically detect the storage device and begin playing audio files.

Operating Instructions

1. Basic Controls

• **Play/Pause:** Press the Play/Pause button to start or pause playback.
• **Volume Up/Down:** Use the volume buttons (V+/V-) to adjust the volume.
• **Next/Previous Track:** Use the track skip buttons (◀◀/▶▶) to navigate between tracks.
• **Mode Switch (M/O):** Press the 'M/O' button to cycle through available modes: Bluetooth, FM Radio, AUX, TF Card, USB.

2. Hands-Free Calling

When connected via Bluetooth to a smartphone, the speaker can be used for hands-free calls:

• **Answer/End Call:** Press the Play/Pause button to answer an incoming call or end an ongoing call.
• **Reject Call:** Press and hold the Play/Pause button to reject an incoming call.
• **Redial:** Double-click the Play/Pause button to redial the last number.

3. Recording Function

The speaker supports recording audio directly to a TF card or USB drive.

• **Start Recording:** In TF card or USB playback mode, long-press the 'Record' button (录音).
• **End Recording:** Press the 'Record' button again to stop recording.
• **Play Recording:** Short-press the 'Record' button to play back the last recorded file.
• **Delete Recording:** Use the 'Delete' button (删除) to remove recorded files.

4. FM Radio Operation

• **Enter FM Mode:** Press the 'M/O' button until FM mode is selected.
• **Auto Scan:** Long-press the Play/Pause button to automatically scan and save available FM stations.
• **Tune Stations:** Use the Next/Previous Track buttons (◀◀/▶▶) to switch between saved stations.

5. RGB Lighting

The speaker features an RGB light ring that illuminates during operation, enhancing the listening experience. The lighting patterns may vary or can be toggled on/off depending on the specific model's controls (refer to device for specific button if available).

Maintenance

To ensure the longevity and optimal performance of your SANSUI U3 speaker, follow these maintenance guidelines:

• **Cleaning:** Use a soft, dry cloth to clean the speaker's exterior. Do not use abrasive cleaners, solvents, or harsh chemicals.
• **Storage:** Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
• **Water Exposure:** The speaker is not waterproof. Avoid exposing it to water or high humidity.
• **Battery Care:** If the speaker will not be used for an extended period, charge it periodically to maintain battery health.

Troubleshooting

If you encounter issues with your SANSUI U3 speaker, refer to the following common problems and solutions:

• **Speaker does not turn on:**
  • Ensure the battery is charged. Connect the speaker to a power source using the Type-C cable.
  • Check if the power button is pressed and held sufficiently.
• **No sound:**
  • Increase the volume on both the speaker and the connected device.
  • Ensure the correct input mode (Bluetooth, AUX, TF, USB) is selected.
  • If using Bluetooth, ensure the device is properly paired and connected.
  • If using TF card or USB, ensure the audio files are in a supported format and not corrupted.
• **Bluetooth pairing issues:**
  • Ensure the speaker is in pairing mode (flashing indicator).
  • Disable and re-enable Bluetooth on your device.
  • Move the speaker closer to your device and away from potential interference sources.
  • Forget the speaker from your device's Bluetooth list and try pairing again.
• **Poor FM radio reception:**
  • Move the speaker to a location with better signal reception.
  • Extend any integrated antenna if available.

Specifications

User Tips

• For optimal sound quality, ensure the speaker is placed on a stable surface and not obstructed.
• When using the FM radio, try different locations to find the best signal.
• Keep the speaker charged to avoid interruptions during use, especially for longer listening sessions.
• The compact size makes it ideal for travel; remember to pack the charging cable.

Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or the manufacturer's official website. Keep your purchase receipt as proof of purchase.