Introduction
Thank you for choosing the Tangxi Bluetooth Pillow Speaker. This device is designed to provide a soft, whispering sound experience under your pillow, aiding in relaxation and deep sleep. Its mini size and low volume design make it ideal for side sleepers. Please read this manual carefully to ensure proper use and maintenance of your speaker.
Product Overview

Image: The Tangxi Bluetooth Pillow Speaker, a compact black device designed for discreet placement under a pillow.

Image: The pillow speaker positioned under a pillow, demonstrating its intended use for side sleepers.
What's in the Box
- 1 x Bluetooth Pillow Speaker
- 1 x Type C Charging Cable
Setup
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided Type C charging cable to the speaker's charging port and a compatible USB power source (e.g., computer, wall adapter). The charging time is approximately 2 hours, providing over 10 hours of playback.

Image: The speaker's charging port and an indication of its long battery life.
2. Bluetooth Pairing
- Ensure the speaker is charged and powered on.
- Activate Bluetooth on your audio device (smartphone, tablet, etc.).
- Search for available Bluetooth devices. The speaker will appear as "Bluetooth Pillow Speaker" or similar.
- Select the speaker to pair. A confirmation sound will indicate successful pairing.
The speaker uses Bluetooth version 5.3 for stable and clear sound, with a range of up to 15 meters.

Image: An illustration highlighting the advanced Bluetooth chip for stable connectivity.
3. Placement
Place the speaker under your pillow. Its mini size and low volume design are optimized for this placement, providing a personal sound experience without disturbing others.
Operating Instructions
Power On/Off
- To power on: Press and hold the power button until the indicator light turns on.
- To power off: Press and hold the power button until the indicator light turns off.
Volume Control
- To increase volume: Press the volume up (+) button.
- To decrease volume: Press the volume down (-) button.
Timer Function
The speaker includes a timer function for automatic power-off:
- 60-minute timer: Double-click the volume plus (+) button. The speaker will automatically power off after 60 minutes.
- 30-minute timer: Double-click the volume minus (-) button. The speaker will automatically power off after 30 minutes.
Bluetooth Reconnection
Once paired, the speaker will automatically attempt to reconnect to the last paired device when powered on, if the device is within range and has Bluetooth enabled.
Video: A demonstration of the Tangxi Bluetooth Pillow Speaker's basic operation, including power and volume controls.
Maintenance
- Cleaning: Wipe the speaker with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods.
- Water Resistance: The speaker is water-resistant, but not waterproof. Avoid submerging it in water or exposing it to heavy rain.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or muffled sound | Incorrect placement; low volume; device not connected. | Ensure the speaker is placed correctly under the pillow. Increase volume on both the speaker and your connected device. Verify Bluetooth connection. |
| Cannot connect via Bluetooth | Speaker not in pairing mode; device Bluetooth off; out of range. | Ensure speaker is powered on and discoverable. Turn Bluetooth off and on again on your device. Move your device closer to the speaker (within 15 meters). |
| Short battery life | Battery not fully charged; aging battery. | Ensure the speaker is fully charged (approx. 2 hours). If the issue persists, contact customer support. |
| Speaker turns off unexpectedly | Timer function activated; low battery. | Check if the 30-minute or 60-minute timer was activated. Recharge the speaker if the battery is low. |
Specifications
- Brand: Tangxi
- Model Name: Bluetooth Pillow Speaker
- Connectivity Technology: Bluetooth 5.3
- Bluetooth Range: 15 meters
- Speaker Maximum Output Power: 3 watts
- Frequency Response: 20 KHz
- Audio Output Mode: Stereo
- Enclosure Material: Acrylonitrile Butadiene Styrene (ABS)
- Battery Average Life: 10+ hours
- Battery Charge Time: 2 hours
- Battery Capacity: 400 mAh
- Input Voltage: 5 volts
- Signal-to-Noise Ratio: 75 dB
- Speaker Size: 15.5 cm (length)
- Water Resistance Level: Water Resistant
- Compatible Devices: Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop

Image: Detailed dimensions of the Tangxi Bluetooth Pillow Speaker (15.5cm x 3.6cm x 1.2cm).
Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact Tangxi customer service through their official website or the retailer where the product was purchased. Keep your proof of purchase for warranty claims.