1. Introduction and Overview
The LENRUE A10 Bluetooth Speaker is a wireless portable audio device designed to deliver loud stereo sound with rich bass. It features dual high-performance drivers for an immersive audio experience. With up to 12 hours of playtime, a built-in microphone for hands-free calls, and advanced Bluetooth 5.0 technology, it offers stable and fast connectivity. The speaker also supports multiple playback options including USB, micro SD card, and AUX input, making it versatile for various uses indoors and outdoors.
2. Product Features
- Superior Sound Quality: Equipped with dual high-performance drivers and enhanced bass for clear treble and powerful bass.
- Extended Playtime: Built-in high-capacity battery provides up to 12 hours of continuous music playback.
- Advanced Bluetooth 5.0: Offers lower power consumption, faster transmission, stronger anti-interference ability, and a more stable signal compared to older Bluetooth versions.
- Built-in Microphone: Enables hands-free calling with clear stereo sound quality.
- Portable Design: Lightweight (0.66 lb) and compact, making it highly durable and easy to carry.
- Multiple Playback Modes: Supports USB, micro SD card (up to 32GB max), and AUX input for versatile audio sources.
- True Wireless Stereo (TWS) Function: Allows connection of two LENRUE A10 speakers for a spatial dual-channel stereo experience.

Figure 2.1: The LENRUE A10 Portable Bluetooth Speaker in Red.

Figure 2.2: Internal view highlighting the dual high-performance drivers for superior sound.

Figure 2.3: Detailed view of the speaker's connectivity ports: Bluetooth, TF card, USB, and AUX.

Figure 2.4: Two LENRUE A10 speakers demonstrating True Wireless Stereo (TWS) connection for enhanced audio.
3. What's in the Box
Upon opening your LENRUE Bluetooth Speaker package, you should find the following items:
- LENRUE Bluetooth speaker (Model A10)
- USB charging cable
- Micro SD card (up to 32GB)
- Built-in microphone (integrated)

Figure 3.1: Contents of the LENRUE A10 product package.
4. Setup
4.1 Charging the Speaker
Before initial use, fully charge your LENRUE A10 Bluetooth Speaker. Connect the provided USB charging cable to the speaker's charging port and plug the other end into a compatible USB power source (e.g., computer USB port, USB wall adapter). The charging indicator light will illuminate during charging and turn off or change color once fully charged.
4.2 Powering On/Off
- To Power On: Press and hold the Power button until you hear an audible prompt or see the indicator light illuminate.
- To Power Off: Press and hold the Power button again until the speaker powers down.
4.3 Bluetooth Pairing
To connect your LENRUE A10 speaker to a Bluetooth-enabled device:
- Ensure the speaker is powered on and in Bluetooth pairing mode (the indicator light will typically flash rapidly).
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "LENRUE A10" from the list of found devices.
- Once connected, the speaker will provide an audible confirmation, and the indicator light will remain solid.
4.4 Connecting via AUX/Micro SD/USB
- AUX Input: Connect an audio cable (not included) from your device's headphone jack to the speaker's AUX port. The speaker will automatically switch to AUX mode.
- Micro SD Card: Insert a micro SD card (up to 32GB) with audio files into the designated slot. The speaker will automatically begin playing music from the card.
- USB Playback: Insert a USB drive with audio files into the USB port. The speaker will automatically begin playing music from the drive.
5. Operating the Speaker
5.1 Basic Controls
- Volume Up/Down: Use the '+' and '-' buttons on the speaker to adjust the volume.
- Play/Pause: Press the Play/Pause button to toggle playback.
- Next/Previous Track: Long press the '+' button for the next track, and long press the '-' button for the previous track.
5.2 Hands-Free Calling
When connected to your smartphone via Bluetooth, the built-in microphone allows for hands-free calls:
- Answer/End Call: Press the Play/Pause button to answer an incoming call or end an ongoing call.
- Reject Call: Long press the Play/Pause button to reject an incoming call.
5.3 True Wireless Stereo (TWS) Pairing
To pair two LENRUE A10 speakers for a stereo experience:
- Ensure both speakers are powered off.
- Power on both speakers simultaneously. They will enter Bluetooth pairing mode.
- Double-click the Play/Pause button on one of the speakers. It will attempt to pair with the other speaker.
- Once successfully paired, both speakers will provide an audible confirmation.
- Connect your device to one of the paired speakers via Bluetooth. Audio will now play through both speakers in stereo.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use harsh chemicals or abrasive cleaners.
- Water Resistance: This speaker is NOT waterproof. Avoid exposure to water or excessive moisture.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures 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 constant use.
7. Troubleshooting
- Speaker won't turn on: Ensure the battery is charged. Connect the speaker to a power source and try again.
- No sound: Check the volume level on both the speaker and your connected device. Ensure the correct input mode (Bluetooth, AUX, USB, SD card) is selected.
- Bluetooth pairing issues: Make sure the speaker is in pairing mode and within range of your device (up to 33 feet/10 meters). Forget the speaker from your device's Bluetooth list and try pairing again. Ensure no other devices are currently connected to the speaker.
- Poor sound quality: Ensure the speaker is not too far from the connected device. Check for obstacles between the speaker and device. Try a different audio source or file.
- TWS pairing failure: Ensure both speakers are LENRUE A10 models and are powered off before attempting TWS pairing. Try resetting both speakers and repeating the TWS pairing steps.
8. Specifications
- Brand: LENRUE
- Model Name: Portable
- Item Model Number: A10
- Color: Red
- Speaker Type: Outdoor (Portable)
- Connectivity Technology: Bluetooth, Auxiliary, USB
- Wireless Communication Technology: Bluetooth 5.0
- Audio Output Mode: Stereo
- Speaker Maximum Output Power: 3 Watts
- Battery Life: 12 Hours
- Item Weight: 1.04 pounds (0.47 Kilograms)
- Product Dimensions: 0.39 x 0.39 x 0.39 inches
- Maximum Range: 33 Feet (10 Meters)
- Water Resistance Level: Not Water Resistant
- Compatible Devices: Smartphone, Tablet, Laptop
9. Warranty and Support
The LENRUE A10 Bluetooth Speaker comes with a limited warranty. For detailed warranty information, product support, or technical assistance, please refer to the contact information provided on the product packaging or visit the official LENRUE website. Please retain your proof of purchase for warranty claims.





