LENRUE K3 Portable Bluetooth Speaker User Manual

1. Introduction

Thank you for choosing the LENRUE K3 Portable Bluetooth Speaker. This compact and lightweight speaker is designed to provide clear, powerful sound for your music and podcasts, whether you're at home or enjoying outdoor activities. With advanced Bluetooth 5.3 technology and a long playback time, the K3 speaker offers a seamless audio experience.

Image: The LENRUE K3 Portable Bluetooth Speaker, showcasing its compact design and gray finish.

2. What's in the Box

• K3 Portable Bluetooth Speaker
• Charging Cable (USB to Micro-USB with 3.5mm AUX)
• User Manual

3. Product Features

• Seamless Connection: Utilizes advanced Bluetooth 5.3 technology for fast and stable connections with cellphones, tablets, and other devices.
• 5W Clear Sound: Equipped with a 5W quality full-range driver, providing clear audio suitable for personal use.
• Compact and Lightweight: Designed with an apple-like size (Φ3.1" x H2.48") and weighing only 6.3 ounces, making it highly portable.
• Lanyard Design: Features a lanyard for easy portability, allowing it to be hung on a backpack or carried conveniently.
• Long Playback Time: High-capacity rechargeable battery offers up to 15 hours of playback time at 2/3 volume.

Image: An exploded view illustrating the internal 5W performance driver of the LENRUE K3 speaker.

Image: The LENRUE K3 speaker positioned next to a smartphone, demonstrating its compact and portable size.

4. Setup Guide

4.1 Charging the Speaker

Before first use, fully charge the speaker. Connect the Micro-USB end of the provided charging cable to the speaker's charging port (located on the bottom). Connect the USB-A end to a compatible USB power source (e.g., computer USB port, wall adapter). The LED indicator will show charging status.

4.2 Bluetooth Pairing

1. Ensure the speaker is fully charged.
2. Press and hold the Power button (located on the bottom) to turn on the speaker. The LED ring will light up, indicating it's in pairing mode.
3. On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
4. Select "LENRUE K3" from the list of devices.
5. Once connected, the speaker will emit a confirmation sound, and the LED light may change its pattern or turn solid.

Image: The LENRUE K3 speaker providing clear sound for online study, demonstrating its seamless Bluetooth connection to a laptop.

5. Operating Instructions

5.1 Controls Overview

The control buttons are located on the bottom of the speaker, beneath a rubber ring that prevents slipping.

• Power Button: Press and hold to turn on/off.
• Volume Up/Next Track: Short press for volume up, long press for next track.
• Volume Down/Previous Track: Short press for volume down, long press for previous track.
• Play/Pause/Answer Call: Press to play/pause music or answer/end a phone call.
• Mode Button: Press to switch between Bluetooth and AUX modes.

5.2 LED Indicator

The LED ring around the base of the speaker indicates its status:

• Flashing Blue: Pairing mode.
• Solid Blue: Connected via Bluetooth.
• Red: Charging.
• Off (when charging): Fully charged.

To turn off the bright blue LED light after connecting, quickly press the power button once.

Image: A person relaxing on a couch, enjoying music played through the LENRUE K3 speaker, highlighting its use for leisure at home.

6. Maintenance

• Keep the speaker clean by wiping it with a soft, dry cloth.
• Avoid exposing the speaker to extreme temperatures or direct sunlight for prolonged periods.
• Although the speaker is waterproof, avoid submerging it in water. Ensure the charging port cover is securely closed when near water.
• Store the speaker in a cool, dry place when not in use.

7. Troubleshooting

• Speaker won't turn on: Ensure the battery is charged. Connect to a power source and try again.
• Cannot pair with device: Make sure the speaker is in pairing mode (flashing blue LED). Turn off Bluetooth on your device and turn it back on. Forget the speaker from your device's Bluetooth list and try pairing again. Ensure no other devices are currently connected to the speaker.
• No sound or low volume: Check the volume levels on both the speaker and your connected device. Ensure the speaker is properly connected via Bluetooth or AUX.
• Sound distortion: Move the speaker closer to your device to ensure a stable Bluetooth connection. Reduce the volume if it's too high.

8. Specifications

9. Warranty & Support

The LENRUE K3 Portable Bluetooth Speaker comes with a Limited Warranty. For detailed warranty information, product support, or technical assistance, please contact LENRUE customer service through their official channels or the retailer where the product was purchased.