Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs

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Product guide

Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs

Dazzle Bright HB-400COI smart string lights combine 400 RGB LEDs with app and remote control for indoor or outdoor holiday decorating. The listing describes Bluetooth app features including custom scenes and music synchronization, while the remote handles settings such as brightness and timers.

At a glance

Listing claims 16 million colors and multiple lighting scenes.
Bluetooth app control includes group control, DIY customization, timers, and music synchronization.
A 44-key remote is listed for brightness, speed, timers, and lighting modes.
Multiple strings may be grouped in the app, but the listing says the strings cannot connect end to end.

Price

$35.99Save 10%

Reference price: ~~$39.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Two control options offer app-based customization and direct remote adjustments.
The listing describes indoor and outdoor use and an IP44 rating.
Music synchronization and group control add options for coordinated displays.

Cons

The strings cannot be connected end to end, which limits how far one continuous run can extend.

Technical specifications

21 specifications

Identity
Brand	Dazzle Bright
Model	HB-400COI

Lighting
Color	400 LED RGB
Light source	LED
Light color	RGB
Number of light sources	400
Special feature	Color Changing
Form factor	String Lights
Theme	Christmas

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	App, Remote

Power
Power configuration	Corded Electric
Voltage	30 volts
Wattage	12 watts

Dimensions and installation
Weight	16 ounces
Title length	131 FT
Listed item length	1574 inches

Materials and protection
Water resistance	Water Resistant
Ingress protection code	IP44
Material	Polyvinyl Chloride
Indoor/outdoor usage	Indoor, Outdoor

What to know before buying

The stated 131 FT light length, 13.1 FT lead wire, 144 FT total length, and 1574-inch item length do not agree. Confirm the usable string and lead lengths before planning an installation. The listing also claims UL certification, but supplies no certification details.

What’s in the box

Included

400 LED string lights

Who is it for?

A good fit for

Decorators who want RGB color effects with app and remote control.
Indoor or outdoor holiday displays where one 131-foot-class string is suitable and end-to-end connection is not needed.
Users interested in app scenes, timers, or music-synced lighting.

Less suited to

Buyers who need strings to connect end to end.
Installations that depend on an exact usable length unless it is confirmed before purchase.

Dazzle Bright HB-400COI Smart String Lights, 400 RGB LEDs · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 1,951 ratings

5 stars73%73%
4 stars9%9%
3 stars6%6%
2 stars3%3%
1 star9%9%

Customer feedback reports positive impressions of lighting quality, appearance, brightness, and settings, with some appreciating the color choices and remote. Experiences are mixed on reliability, colors, and remote response. Some reports describe lights malfunctioning after about a month or a remote stopping after several months, while others say the lights work well. For a display where changing modes and brightness matters, those reports make reliability and control consistency worth considering. The listing's RGB and app features describe claimed capabilities, not proof of customer satisfaction.

Positive themes

Customers describe the lighting, appearance, brightness, and settings positively.
Some customers report appreciating the available colors and remote control.

Mixed feedback

Customers disagree about reliability, including reports of lights malfunctioning after about a month.
Color feedback varies, including a report that warm white appears brownish orange.
Remote feedback is mixed, with some reports of it stopping response after about four months.

Frequently asked questions

Can these lights connect end to end?

No. The listing says multiple strings can be grouped through the app, but the strings cannot connect end to end.

What control options are listed?

App control over Bluetooth and a 44-key remote are listed. The remote is described as controlling brightness, speed, timers, and lighting modes.

What is the stated length?

The title says 131 FT. The feature text gives 131 FT of lights plus a 13.1 FT lead wire for 144 FT total, while the item details list 1574 inches. These figures conflict, so confirm the lengths before buying.

Are they intended for outdoor use?

The listing specifies indoor and outdoor use, water resistance, and an IP44 rating. It also mentions rainy-day use, but the provided details do not establish the limits of that claim.