Introduction
Welcome to the user manual for your Sengled Solo RGBW Bluetooth Smart Light Bulb Speaker. This innovative device combines a multi-color changing LED light bulb with a high-fidelity Bluetooth speaker, offering both illumination and audio entertainment. This manual provides essential information for installation, operation, maintenance, and troubleshooting to ensure optimal performance of your smart bulb.
- Integrated Speaker: Features a 1.58-inch high-fidelity Bluetooth speaker for premium sound.
- Color Changing LED: Offers over 16 million colors and dimmable white light.
- App Controlled: Manage light and music settings via the Sengled Pulse app.
- Alexa Compatible: Supports audio control via Amazon Alexa devices through Bluetooth.
- Auto Sleep Timer: Conveniently set a timer for music playback as you fall asleep.
- Easy Installation: Plugs into standard E26 light sockets.
Setup
1. Installation
- Ensure the power to the light fixture is turned off before installation.
- Carefully screw the Sengled Solo RGBW bulb into a standard E26 light socket.
- Turn on the power to the light fixture. The bulb will illuminate.

For a visual guide on installation and initial setup, please watch the following video:
Video 1: Demonstrates the installation process and basic functionality of the Sengled Solo Smart Bulb with Speaker.
2. App Download and Bluetooth Pairing
- Download the Sengled Pulse app from the Apple App Store or Google Play Store.
- Enable Bluetooth on your mobile device.
- Open the Sengled Pulse app and follow the on-screen instructions to pair with your 'Pulse Solo' bulb.
- Once paired, you can control the light and audio features through the app.

For a demonstration of app control and color changing features, refer to the video below:
Video 2: Illustrates the smart features of Sengled bulbs, including app control for color and brightness.
Operating Your Sengled Solo RGBW Bulb
1. Light Control
- Brightness Adjustment: Use the Sengled Pulse app to dim the white light or adjust its intensity.
- Color Selection: Choose from over 16 million colors within the app to match your mood or decor.
- Preset Lighting Modes: Explore various preset modes, including a Rhythm mode that changes colors to the beat of your music.

2. Audio Control
- Bluetooth Streaming: Connect your smart device via Bluetooth to stream music, podcasts, or other audio directly to the bulb's integrated speaker.
- Volume Adjustment: Control the audio volume through your connected device or the Sengled Pulse app.
3. Voice Control (via Alexa)
The Sengled Solo RGBW bulb is compatible with Amazon Alexa devices for audio control. Pair your bulb with an Alexa device via Bluetooth to stream music using voice commands. Note: Light control via Alexa is not supported for this model.

See how Sengled smart bulbs integrate with voice assistants:
Video 3: Shows how Sengled Smart Light Bulbs can be controlled using voice commands with Alexa and Google Assistant.
4. Auto Sleep Timer
Utilize the auto sleep timer feature in the Sengled Pulse app to set a duration for music playback before automatically turning off. This is ideal for winding down before sleep.
Maintenance
- Cleaning: Ensure the bulb is cool and the power is off before cleaning. Wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Storage: If storing the bulb for an extended period, ensure it is clean, dry, and stored in a cool, dark place.
- Environmental Conditions: This bulb is designed for indoor use only. Avoid exposure to moisture or extreme temperatures.
Troubleshooting
If you encounter issues with your Sengled Solo RGBW bulb, refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. | No power to the socket; bulb not screwed in properly; bulb is faulty. | Check power supply; ensure bulb is securely screwed in; test bulb in another working socket. |
| Cannot connect to Bluetooth. | Bluetooth is off on device; bulb is out of range; interference; app issue. | Ensure Bluetooth is enabled; move closer to the bulb; restart device/app; try re-pairing. |
| Poor sound quality or no audio. | Volume too low; poor Bluetooth connection; audio source issue. | Increase volume on device and app; ensure strong Bluetooth connection; try different audio source. |
| App fails to connect or control the bulb. | App glitch; outdated app version; Bluetooth connectivity issues. | Close and reopen the app; update the app; restart your mobile device; re-pair the bulb. |
| Bulb gets excessively hot. | Prolonged use at high brightness/volume; faulty unit. | Reduce usage time or brightness/volume; if problem persists, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Sengled |
| Model Name | S21-N15WA |
| Light Type | LED |
| Special Feature | Color Changing, Integrated Speaker |
| Wattage | 60W Equivalent (7 Watts Power Consumption) |
| Bulb Shape Size | A19 |
| Bulb Base | E26 |
| Brightness | 550 Lumens |
| Light Color | Multicolor (RGB) |
| Voltage | 240V |
| Control Method | App, Voice (via Alexa for audio) |
| Indoor/Outdoor Usage | Indoor |
| Item Weight | 13 ounces (0.81 Pounds) |
| Product Dimensions | 2"W x 3"H |
Warranty and Support
Your Sengled Solo RGBW Bluetooth Smart Light Bulb Speaker comes with a 1-year limited warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical support, warranty claims, or further assistance, please visit the official Sengled website or contact their customer service department. Keep your proof of purchase for warranty validation.
Online Support: www.sengled.com/support





