SP621E Bluetooth LED Strip Controller WS2812B USB 3-Key DC5V-24V

Mini Bluetooth LED Strip Controller – SP621E for WS2812B / WS2811 Pixel Strips

Take full control of your pixel LED light strips with this compact SP621E Mini LED Strip Controller. Compatible with WS2812B, WS2811, and WS2812 addressable LED strips, this controller connects via Bluetooth and a dedicated music-sync app, letting you switch lighting modes, adjust speed, and synchronize colors to your favorite tracks — all from your smartphone. The onboard 3-key control panel gives you instant hands-on access without needing your phone. Wide voltage support (DC 5V–24V) and USB-powered convenience make it a versatile addition to any LED lighting setup at home, in a gaming room, studio, or workspace.

Key Features

• Broad Compatibility: Supports WS2812B, WS2811, WS2812 one-wire and two-wire LED driver ICs — customizable for nearly any pixel strip.
• Bluetooth App Control: Pair with the SP621E app to access music-reactive modes, custom color scenes, and animation presets from your phone.
• 3-Key Onboard Controls: MODE+ (forward pattern switch), MODE− (backward pattern switch), and SPEED (animation speed) for instant manual adjustments.
• AUTO Mode: Press MODE+ and MODE− simultaneously to enter fully automatic cycling through all patterns.
• Wide Voltage Range: DC 5V–24V input makes it compatible with a broad range of LED strips and power supplies.
• Energy Efficient: Controller draws less than 1W of power on its own.
• Compact & Easy to Use: Plug-and-play design with simple wiring and stable operation.

Specifications

Package Contents

• 1 × SP621E Mini LED Strip Controller (3-Key / USB 3-Key)

Made in Mainland China.

⚠ Important Note: Please verify your LED strip's required power supply voltage before connecting. Using an incorrect voltage may damage the controller or your LED strip.

Looking for more great accessories for your projects? Check out our Battery Storage Organizer Box and our Cable & Charger Storage Box to keep your setup tidy.

Learn more: ENERGY STAR product efficiency guidance

Frequently Asked Questions

Q: Which LED strip types are compatible with the SP621E Bluetooth LED controller?

A: The SP621E mini LED strip controller is compatible with WS2812B, WS2811, and WS2812 addressable pixel LED strips. It can be customized to support nearly any one-wire or two-wire LED driver IC, making it highly versatile for a wide range of LED lighting projects.

Q: What voltage should I use to power the SP621E LED strip controller?

A: The SP621E supports a wide input voltage range of DC 5V to 24V. You should match the voltage to the specific requirements of your LED strip. Always confirm your LED strip's operating voltage before connecting to avoid any compatibility issues.

Q: How do I activate AUTO mode on the SP621E LED controller?

A: To enter AUTO mode — where the controller automatically cycles through all lighting patterns — simply press the MODE+ and MODE− buttons at the same time and release them simultaneously. The controller will then begin cycling through all available effects automatically.

Q: Can I control the SP621E LED strip controller without my smartphone?

A: Yes! The SP621E features 3 onboard physical keys (MODE+, MODE−, and SPEED) that let you switch lighting patterns and adjust animation speed directly on the controller without needing to use the Bluetooth app or your smartphone.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.