zakotu JJ-T7
zakotu JJ-T7 Bluetooth Shower Speaker User Manual
Model: JJ-T7
Introduction
Thank you for choosing the zakotu JJ-T7 Bluetooth Shower Speaker. This portable, waterproof speaker is designed to provide high-quality audio with colorful LED lights, perfect for various environments including bathrooms, parties, beaches, and pools. Please read this manual carefully before use to ensure proper operation and maintenance.
Package Contents
- zakotu JJ-T7 Bluetooth Shower Speaker
- Micro USB Charging Cable
- User Manual
Product Overview
The zakotu JJ-T7 speaker features an intuitive control panel and a durable, waterproof design. Familiarize yourself with the buttons and ports:

Image: Diagram illustrating the control buttons and their functions on the zakotu JJ-T7 Bluetooth Shower Speaker.
- Power On/Off Button: Press and hold to power the speaker on or off.
- Pair/LED Control Button: Short press to cycle through LED light modes. Long press to enter Bluetooth pairing mode.
- Mode (M) Button: Press to switch between Bluetooth and FM Radio modes.
- Next Song / Volume Up (+): Short press for next song, long press to increase volume.
- Previous Song / Volume Down (-): Short press for previous song, long press to decrease volume.
- Play/Pause / Answer/End Call Button: Short press to play/pause music or answer/end a call. Long press to reject a call.
- Built-in Microphone: For hands-free calling.
- Charging Port: Micro USB port for charging the speaker.
The speaker also features a strong suction cup for easy mounting on smooth surfaces.

Image: The zakotu JJ-T7 speaker showcasing its strong suction cup for versatile placement.
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided Micro USB cable to the speaker's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The LED indicator will show charging status (usually red while charging, off when fully charged). A full charge takes approximately 3-4 hours, providing up to 8 hours of playtime.

Image: Visual representation of the speaker's battery life, indicating up to 7 hours of playtime.
2. Powering On/Off
Press and hold the Power On/Off button for approximately 3 seconds until you hear an audible prompt and the LED lights activate.
To power off, press and hold the Power On/Off button again for 3 seconds.
3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode (indicated by a flashing blue LED). If not, press the Mode (M) button to switch.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "JJ-T7" from the list of devices.
- Once paired, you will hear a confirmation sound, and the blue LED will stop flashing.
The speaker will automatically attempt to reconnect to the last paired device when powered on.
Operating Instructions
Music Playback
- Play/Pause: Short press the Play/Pause button.
- Next Track: Short press the + button.
- Previous Track: Short press the - button.
- Volume Up: Long press the + button.
- Volume Down: Long press the - button.
Hands-Free Calling
- Answer Call: Short press the Play/Pause button when a call comes in.
- End Call: Short press the Play/Pause button during a call.
- Reject Call: Long press the Play/Pause button when a call comes in.
LED Light Control
Short press the Pair/LED Control button to cycle through different LED light modes (e.g., flashing colors, slow fade, solid color, off). The lights can also react to the rhythm of the music.

Image: The zakotu JJ-T7 speaker demonstrating its colorful LED light show feature.
FM Radio Mode
Press the Mode (M) button to switch to FM Radio mode. In FM mode, long press the Play/Pause button to automatically scan and save available radio stations.
Dual Pairing (TWS Function)
For an enhanced stereo experience, you can pair two JJ-T7 speakers together:
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), long press the Mode (M) button until you hear a pairing prompt.
- The two speakers will automatically connect to each other. You will hear a confirmation sound once connected.
- Now, connect your device to the primary speaker via Bluetooth as described in the "Bluetooth Pairing" section.
Both speakers will now play audio in stereo.

Image: Two zakotu JJ-T7 speakers demonstrating the dual pairing feature for stereo sound.
Waterproof Information (IPX7)
The zakotu JJ-T7 speaker is rated IPX7 waterproof, meaning it can be immersed in water up to 1 meter (3 feet) for up to 30 minutes. This makes it suitable for use in showers, by the pool, or at the beach.
- Ensure the charging port cover is securely closed before exposing the speaker to water.
- Avoid prolonged submersion beyond the specified depth and time.
- Rinse with fresh water after use in saltwater or chlorinated water.

Image: The zakotu JJ-T7 speaker attached to a shower wall, highlighting its IPX7 waterproof design.
Maintenance
- Clean the speaker with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure the charging port is dry before charging.
- Store the speaker in a cool, dry place when not in use.
- Avoid extreme temperatures and direct sunlight.
Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect to a power source and try again. |
| Cannot pair via Bluetooth. | Ensure the speaker is in pairing mode (flashing blue LED). Turn off Bluetooth on other devices. Restart both the speaker and your device. |
| No sound or low volume. | Check volume levels on both the speaker and your connected device. Ensure the speaker is not muted. |
| Sound distortion. | Move the speaker closer to your device to reduce interference. Reduce the volume on either the speaker or the device. |
| LED lights not working. | Short press the Pair/LED Control button to cycle through light modes or turn them on. |
Specifications
- Model: JJ-T7
- Bluetooth Version: 5.3
- Waterproof Rating: IPX7
- Playtime: Up to 8 hours
- Charging Time: 3-4 hours
- Dimensions: 5"D x 4"W x 2"H
- Weight: 7.8 ounces
- Control Method: Touch
- Included Components: Speaker
Warranty and Support
The zakotu JJ-T7 Bluetooth Shower Speaker comes with a limited warranty. For detailed warranty information, technical support, or customer service inquiries, please refer to the contact information provided on the product packaging or visit the official zakotu website.
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