1. Introduction
Thank you for choosing the LEZII Portable Bluetooth Speaker. This compact and powerful speaker is designed to deliver high-quality audio with exceptional portability, making it ideal for both indoor and outdoor use. Featuring Bluetooth 5.0, TWS stereo pairing, and IPX5 water resistance, it provides a versatile audio experience. Please read this manual carefully to ensure proper use and maintenance of your speaker.
2. Safety Information
- Do not immerse the speaker in water. It is IPX5 water-resistant, meaning it can withstand splashes and rain, but not submersion.
- Keep the speaker away from extreme temperatures, direct sunlight, and high humidity.
- Do not disassemble, repair, or modify the speaker. This will void the warranty.
- Use only the provided charging cable or a certified 5V charger.
- Keep out of reach of children.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
3. Package Contents
Please check the package for the following items:
- 1 x LEZII BT107 Portable Bluetooth Speaker
- 1 x USB Charging Cable
- 1 x 3.5mm AUX Audio Line
- 1 x User Manual
- 1 x Warranty Card
- 1 x Feedback Card
4. Product Overview
The LEZII BT107 speaker is designed for ease of use and portability. Below are the key components and their functions.
Figure 4.1: The LEZII BT107 Portable Bluetooth Speaker, demonstrating its ultra-compact and lightweight design, easily fitting in the palm of a hand.
Figure 4.2: An internal diagram illustrating the 5W audio driver and its ability to produce high-quality sound with enhanced bass, even from a small enclosure.
Speaker Components:
- Power Button: Press and hold to turn on/off. Short press for play/pause.
- Volume Up/Next Track Button: Short press to increase volume. Long press to skip to the next track.
- Volume Down/Previous Track Button: Short press to decrease volume. Long press to go to the previous track.
- Mode Button: Switch between Bluetooth, AUX, and TF Card modes.
- Microphone: For hands-free calling.
- Charging Port: Micro USB port for charging.
- AUX-in Port: 3.5mm audio input for wired connection.
- TF Card Slot: For playing music directly from a TF (MicroSD) card.
- LED Indicator: Displays charging status and connection mode.
5. Setup
5.1 Charging the Speaker
- Connect the small end of the USB charging cable to the speaker's charging port.
- Connect the larger end of the USB charging cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging and turn off when fully charged.
- A full charge takes approximately 2-3 hours.
Note: For optimal battery life, fully charge the speaker before first use.
5.2 Powering On/Off
- To power on, press and hold the Power button for 2-3 seconds until you hear an audible prompt.
- To power off, press and hold the Power button again for 2-3 seconds until you hear an audible prompt.
6. Operating Instructions
6.1 Bluetooth Pairing
Figure 6.1: The LEZII BT107 speaker connected via Bluetooth 5.0 to a smartphone, ready for music playback.
- Ensure the speaker is powered on and in Bluetooth pairing mode (the LED indicator will flash).
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "LEZII BT107" from the list of devices.
- Once paired, the LED indicator will stop flashing and remain solid, and you will hear a confirmation sound.
- The speaker will automatically reconnect to the last paired device when powered on, if the device's Bluetooth is active and within range.
6.2 TWS (True Wireless Stereo) Pairing
The TWS function allows you to pair two LEZII BT107 speakers together for a true wireless stereo sound experience.
- Ensure both LEZII BT107 speakers are powered on and not connected to any Bluetooth device.
- On one of the speakers, double-press the Power button (or a dedicated TWS button if available, refer to specific model instructions if different). The speaker will enter TWS pairing mode.
- The two speakers will automatically search for and connect to each other. You will hear a confirmation sound once paired.
- Once TWS paired, one speaker will act as the master (left channel) and the other as the slave (right channel).
- Now, connect your device to the master speaker via Bluetooth as described in Section 6.1.
6.3 Playing Music
- Bluetooth Mode: After successful pairing, open your music player app on your device and start playback.
- AUX Mode: Insert the 3.5mm AUX audio line into the speaker's AUX-in port and the other end into your audio device's headphone jack. The speaker will automatically switch to AUX mode or you may need to press the Mode button.
- TF Card Mode: Insert a TF (MicroSD) card with music files into the TF card slot. The speaker will automatically switch to TF card mode and begin playing.
Figure 6.2: The LEZII BT107 speaker providing audio for a user working on a laptop, demonstrating its versatility for various environments.
Figure 6.3: The LEZII BT107 speaker on a nightstand, highlighting its suitability for personal listening in bedrooms or other quiet spaces.
6.4 Call Functions (Hands-Free)
- Answer Call: When a call comes in, short press the Power button to answer.
- End Call: During a call, short press the Power button to end the call.
- Reject Call: When a call comes in, long press the Power button to reject the call.
- Redial Last Number: In Bluetooth mode, double-press the Power button to redial the last dialed number.
7. Maintenance
- Cleaning: Wipe the speaker with a soft, damp cloth. Do not use harsh chemicals or abrasive materials.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place.
- Battery Care: To prolong battery life, avoid fully discharging the speaker frequently. Charge it regularly, even if not in use.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is low or dead. | Charge the speaker for 2-3 hours. |
| Cannot pair with Bluetooth device. | Speaker is not in pairing mode; Device's Bluetooth is off; Speaker is too far from device; Already connected to another device. | Ensure speaker is flashing LED (pairing mode). Turn on device's Bluetooth. Move speaker closer to device. Disconnect from other devices. |
| No sound or low volume. | Volume too low on speaker or device; Incorrect mode selected; Speaker not connected. | Increase volume on both speaker and device. Press Mode button to select correct input. Re-pair Bluetooth or check AUX/TF card connection. |
| Sound distortion. | Volume too high; Device too far from speaker; Interference. | Reduce volume. Move device closer to speaker. Move away from other electronic devices. |
| TWS pairing failed. | Speakers already paired to a device; Not in TWS pairing mode. | Ensure both speakers are disconnected from any Bluetooth devices. Follow TWS pairing steps carefully. |
9. Specifications
| Model Name: | BT107 |
| Bluetooth Version: | 5.0 |
| Output Power: | 5W (10W Peak) |
| Battery Capacity: | 400 mAh |
| Charging Voltage: | DC 5V |
| Play Time: | 8-10 hours (at 50% volume) |
| Charging Time: | 2-3 hours |
| Dimensions (D x W x H): | 1.18" x 2.36" x 2.56" (30mm x 60mm x 65mm) |
| Weight: | 3.77 ounces (107 grams) |
| Water Resistance: | IPX5 (Splash-proof, Rain-proof) |
| Material: | Plastic, Metal |
| Connectivity: | Bluetooth, Auxiliary, TF Card |
| Features: | Built-in Microphone, TWS Stereo Pairing |
10. Warranty and Support
LEZII provides a comprehensive warranty and dedicated customer support for your product.
- Warranty Period: This product is covered by a 3-year warranty from the date of purchase for quality-related issues.
- Technical Support: Enjoy 12-month worry-free technical support and after-sales service.
- Contact Support: For any questions, issues, or warranty claims, please contact our customer service team. Refer to the Warranty Card or Feedback Card included in your package for contact details, or visit the official LEZII website.
We are committed to providing the best service to our customers 24 hours a day and ensuring a pleasant buying experience.
