Introduction
Thank you for choosing the LENRUE Portable Bluetooth Speaker. This compact and versatile speaker is designed to deliver clear, powerful sound with dynamic colorful lights, making it ideal for various settings including parties, travel, and daily use. Featuring TWS (True Wireless Stereo) pairing, IPX5 waterproofing, and multiple connectivity options, your new speaker provides an enhanced audio experience.
What's in the Box
- LENRUE Portable Bluetooth Speaker
- Type C Charging Cable
- AUX Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the speaker's components and controls.

Image: Top view of the LENRUE Portable Bluetooth Speaker, showing the control buttons and the colorful LED light ring around the top edge. A lanyard is attached to the side.
Controls and Ports:
- Power Button: Long press to power on/off. Short press to play/pause music.
- '+' Button: Short press for Volume Up. Long press for Next Track.
- '-' Button: Short press for Volume Down. Long press for Previous Track.
- 'M' (Mode) Button: Short press to switch between Bluetooth, TF Card, and AUX modes.
- Type C Port: For charging the speaker.
- TF Card Slot: Insert a TF (MicroSD) card for direct music playback.
- AUX Port: Connect external audio devices using the provided AUX cable.
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided Type C charging cable to the speaker's Type C port and the other end to a USB power adapter (not included) or a computer's USB port. The charging indicator light will show charging status (refer to speaker's LED behavior for specifics, typically red while charging, off when full).
2. Power On/Off
- To Power On: Long press the Power button until you hear an audible prompt and the indicator light turns on.
- To Power Off: Long press the Power button again until you hear an audible prompt and the indicator light turns off.
3. Bluetooth Pairing
When powered on for the first time or if no device is connected, the speaker will automatically enter Bluetooth pairing mode. The indicator light will flash, indicating it's ready to pair.
- Ensure the speaker is powered on and in Bluetooth pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for available Bluetooth devices. You should see "F18" (or similar model name) in the list.
- Select "F18" to connect. Once connected, you will hear a confirmation sound, and the indicator light will become solid.
The speaker will automatically reconnect to the last paired device when powered on, if the device is within range and Bluetooth is enabled.
Operating Instructions
Music Playback
- Play/Pause: Short press the Power button.
- Volume Up: Short press the '+' button.
- Volume Down: Short press the '-' button.
- Next Track: Long press the '+' button.
- Previous Track: Long press the '-' button.
TWS (True Wireless Stereo) Pairing
To achieve true stereo sound, you can pair two LENRUE F18 speakers together.

Image: Two LENRUE Portable Bluetooth Speakers positioned on either side of a laptop, illustrating the True Wireless Stereo (TWS) connection for an immersive audio experience.
- Ensure both F18 speakers are powered on.
- Disconnect both speakers from any previously paired Bluetooth devices.
- On one of the speakers (this will be the primary speaker), double-click the Power button to enter TWS pairing mode.
- The two speakers will automatically pair with each other, indicated by a "beep" sound.
- Once TWS paired, connect your device to the primary speaker (the one you double-clicked) via Bluetooth. The device will still show "F18" as the name.
Colorful Light Modes
The speaker features 5 dynamic light modes to enhance your listening experience. The light modes automatically cycle or can be controlled by specific button presses (refer to speaker's specific button combination for light control, if any, otherwise it's automatic).

Image: Three LENRUE Portable Bluetooth Speakers arranged to highlight their vibrant, multi-colored light rings, demonstrating the "Fantastic Colored Lightshow" feature.
Multi-Connectivity Options
In addition to Bluetooth, the speaker supports other playback methods:

Image: A LENRUE Portable Bluetooth Speaker shown alongside a laptop, tablet, and smartphone, with icons indicating support for Type C charging, TF Card, AUX input, and Bluetooth connectivity.
- TF Card Mode: Insert a TF (MicroSD) card loaded with MP3 audio files into the TF card slot. The speaker will automatically switch to TF card mode and begin playback.
- AUX Mode: Connect an external audio device (e.g., MP3 player, computer) to the speaker's AUX port using the provided 3.5mm AUX cable. The speaker will automatically switch to AUX mode.
- Switching Modes: Short press the 'M' (Mode) button to cycle through Bluetooth, TF Card, and AUX modes.
Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Water Resistance: The speaker is IPX5 waterproof, meaning it can resist a sustained, low-pressure water jet spray. Do not submerge the speaker in water. Ensure the charging port cover is securely closed when exposed to water.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the speaker regularly, even if not in use for extended periods. Avoid fully discharging the battery frequently.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not power on. | Ensure the speaker is charged. Connect it to a power source using the Type C cable. |
| No sound from the speaker. |
|
| Cannot pair with Bluetooth device. |
|
| TWS pairing fails. |
|
| Sound distortion or poor quality. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | F18 |
| Brand | LENRUE |
| Material | Plastic |
| Speaker Type | Portable |
| Special Features | TWS Stereo Pairing, Colorful Lights, Type C Charge |
| Connectivity Technology | Bluetooth, AUX, TF Card |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Range | Up to 10 Meters (30 Feet) |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 10 Watts |
| Product Dimensions | 2.7"D x 2.7"W x 4"H |
| Item Weight | 14.1 ounces |
| Waterproof Rating | IPX5 |
| Power Source | Battery Powered |
| Included Components | AUX Cable, Type C Charging Cable, Bluetooth Speaker, Instructions |
Warranty and Support
This LENRUE Portable Bluetooth Speaker comes with a Limited Warranty. Please refer to the warranty card included in your packaging for specific terms and conditions.
For technical support or customer service inquiries, please contact LENRUE customer support through the retailer's platform or the official LENRUE website. Please have your model number (F18) and purchase details ready when contacting support.





