HOTT 789371478389
HOTT Shower Speaker Bluetooth 5.0 User Manual
Model: 789371478389
1. Introduction
Thank you for purchasing the HOTT Shower Speaker Bluetooth 5.0. This portable, waterproof speaker is designed to provide high-quality audio in various environments, including bathrooms, with its robust suction cup. It features Bluetooth 5.0 connectivity, an LCD clock display, FM radio, and supports SD card playback, ensuring a versatile audio experience.
2. Important Safety Information
Please read all safety instructions carefully before using this product. Keep this manual for future reference.
- Do not disassemble, repair, or modify the speaker. This may cause electric shock, fire, or product damage.
- Keep the speaker away from extreme temperatures, direct sunlight, and open flames.
- Ensure the charging port cover is securely closed when using the speaker in wet environments to maintain its waterproof integrity.
- Clean the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- This device is designed to be waterproof and splashproof. Do not submerge it completely in water for extended periods.

Image: The speaker's water-resistant design ensures durability in wet conditions.
3. Package Contents
Please check the package for the following items:
- HOTT Shower Speaker Bluetooth 5.0
- USB Cable
4. Product Overview
Familiarize yourself with the speaker's buttons and features:

Image: Front view of the HOTT Shower Speaker, highlighting the LCD screen and button layout.

Image: Feature icons indicating Bluetooth, SD Card support, Clock setting, Phone call function, and DC 5V charging.
Button Functions:
- Power Button (⏻): Press and hold to power on/off. Short press to play/pause in Bluetooth/SD mode, or mute/unmute in FM mode.
- FM/M Button: Short press to switch between Bluetooth, FM Radio, and SD Card modes. Long press to auto-scan FM stations.
- Call Button (📞): Short press to answer/end calls. Long press to reject calls. Double press to redial last number.
- Previous Track / Volume Down (K<): Short press for previous track/station. Long press to decrease volume.
- Next Track / Volume Up (>K): Short press for next track/station. Long press to increase volume.
- Play/Pause / Clock Setting (▶||): Short press to play/pause. Long press to enter clock setting mode.
5. Setup
5.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the supplied USB cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer USB port. The LCD display will indicate charging status.

Image: The speaker can be charged via USB, supporting continuous playback while charging.
5.2 Power On/Off
- To Power On: Press and hold the Power button (⏻) for 3 seconds. The LCD display will light up.
- To Power Off: Press and hold the Power button (⏻) for 3 seconds. The display will turn off.
5.3 Bluetooth Pairing
The speaker will automatically enter Bluetooth pairing mode when powered on for the first time or when no device is connected.
- Ensure the speaker is powered on and in Bluetooth mode (indicated by a blinking Bluetooth icon on the LCD).
- On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings and enable Bluetooth.
- Search for available devices. You should see "HOTT" in the list.
- Select "HOTT" to connect. Once connected, the Bluetooth icon on the speaker's display will stop blinking and remain solid.
- The speaker is now ready to play audio from your device.

Image: Visual representation of the one-time Bluetooth pairing process with a smartphone.
5.4 Setting the Clock
- In any mode, long press the Play/Pause button (▶||) to enter clock setting mode. The hour digits will start blinking.
- Use the Previous Track (K<) and Next Track (>K) buttons to adjust the hour.
- Short press the Play/Pause button (▶||) to switch to minute setting. The minute digits will blink.
- Use the Previous Track (K<) and Next Track (>K) buttons to adjust the minutes.
- Short press the Play/Pause button (▶||) again to confirm and exit clock setting mode.
6. Operating Instructions
6.1 Switching Modes
Short press the FM/M button to cycle through the available modes: Bluetooth, FM Radio, and SD Card (if an SD card is inserted).
6.2 Bluetooth Mode
- Play/Pause: Short press the Power button (⏻).
- Next Track: Short press the Next Track (>K) button.
- Previous Track: Short press the Previous Track (K<) button.
- Volume Up: Long press the Next Track (>K) button.
- Volume Down: Long press the Previous Track (K<) button.
6.3 FM Radio Mode
- Auto-Scan Stations: In FM mode, long press the FM/M button. The speaker will scan and save available FM stations.
- Change Station: Short press the Previous Track (K<) or Next Track (>K) buttons to navigate through saved stations.
- Mute/Unmute: Short press the Power button (⏻).
6.4 SD Card Playback
Insert a microSD card (up to 32GB, not included) with MP3 audio files into the SD card slot. The speaker will automatically switch to SD card mode and begin playing music.
- Play/Pause: Short press the Power button (⏻).
- Next Track: Short press the Next Track (>K) button.
- Previous Track: Short press the Previous Track (K<) button.
- Volume Control: Use the long press functions of the Previous Track (K<) and Next Track (>K) buttons.
6.5 Phone Call Function
When connected to your phone via Bluetooth, you can manage calls directly from the speaker.
- Answer/End Call: Short press the Call button (📞).
- Reject Call: Long press the Call button (📞).
- Redial Last Number: Double press the Call button (📞).
7. Maintenance
- Cleaning: Wipe the speaker with a soft, slightly damp cloth. Do not use alcohol, benzene, or other chemical cleaners.
- Storage: Store the speaker in a cool, dry place when not in use for extended periods.
- Battery Care: To prolong battery life, avoid fully discharging the speaker frequently. Charge it regularly, even if not in use.
8. Troubleshooting
If you encounter issues with your speaker, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair with Bluetooth device. | Speaker not in pairing mode; device Bluetooth off; too far apart. | Ensure speaker is in Bluetooth mode (blinking icon). Turn Bluetooth on your device. Move devices closer (within 33ft/10m). Forget previous pairings on your device and try again. |
| No sound. | Volume too low; paused; incorrect mode. | Increase volume on speaker and connected device. Check if music is paused. Ensure correct mode (Bluetooth, FM, SD). |
| Poor FM radio reception. | Weak signal; interference. | Try auto-scanning stations again. Move speaker to a different location. |
| SD card not recognized. | Card not inserted correctly; unsupported format; corrupted card. | Reinsert SD card. Ensure it's formatted correctly (FAT32) and contains MP3 files. Try a different SD card. |
9. Specifications
| Brand | HOTT |
| Model Number | 789371478389 |
| Connectivity Technology | Bluetooth |
| Bluetooth Version | 5.0 |
| Special Feature | Waterproof |
| Tuner Technology | FM |
| Radio Bands Supported | FM |
| Power Source | Battery Powered |
| Display Technology | LCD |
| Item Weight | 8.7 ounces |
| Package Dimensions | 4.17 x 4.17 x 2.48 inches |
| Color | Black, White, or Silver |
| Recommended Uses | For Smartphones or Tablets |
10. Warranty and Support
Specific warranty details are not provided in this manual. For warranty information, technical support, or customer service inquiries, please contact HOTT customer support directly through their official website or the retailer where the product was purchased.
Please note: No official product videos were available in the provided data for embedding in this manual.
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