Lepro B3 Smart B22 LED Bulb, 12W, 1521lm, RGB and Tunable White

Lepro B3 is a smart B22 LED bulb combining RGB colours with tunable white light for app-controlled everyday lighting and atmosphere. The listing claims Wi-Fi or Bluetooth app control, Alexa and Google Assistant support, music sync, dimming and AI-generated lighting effects. Customer feedback praises colour options but reports mixed experiences with connectivity and app functions.

At a glance

RGB colour and adjustable white lighting from 2700K warm white to 5700K cool white are claimed in the feature description.
The listing describes smooth dimming from 100% to 1%, plus app timers and schedules.
Wi-Fi or Bluetooth app connection is claimed without a hub or bridge. Alexa and Google Assistant voice control are also listed.
LightBeats music sync changes lighting in response to music, while the app's AI assistant can create effects from a requested mood.

Price

£12.73Save 15%

Reference price: ~~£14.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Combines coloured lighting with a broad warm-to-cool white range for both ambience and general room lighting.
App control, voice control, timers and schedules offer more control than a standard bulb.
The stated maximum output of 1521 lumens is suited to buyers seeking a brighter smart bulb.

Cons

Customer feedback reports inconsistent connectivity, Alexa integration and app functionality, so smart control may not be dependable for every setup.

Technical specifications

19 specifications

Identity
Brand	Lepro
Model	B3
Bulb type	LED
Base	B22
Shape	Globe(G)

Light output and features
Maximum light output	1521 Lumens
Colour temperature listed	2700 Kelvin
Colour	Rgb
Special features	Dimmable, Energy Efficient, Eye-Friendly, Timer, Tunable
Indoor or outdoor use	Indoor

Power and electrical
Power consumption	12 Watts
Power configuration	Corded Electric
Voltage	240 Volts (AC)
Accepted voltage and frequency	100 to 240 Volts and 50 Hertz

Connectivity and controls
Control methods listed	App, Voice

Other details
Specific uses	Decoration, Lamp, Party
Energy efficiency label	E
Items	1
Country of origin	China

What to know before buying

Listing details to confirm

The specifications do not align fully: the title says 1520lm and 12W, while the detailed listing gives 1521 Lumens and 12 Watts, and also lists 240 Volts (AC) alongside an accepted range of 100 to 240 Volts and 50 Hertz. The feature text claims white tuning from 2700K to 5700K, whereas the technical details list 2700 Kelvin. Confirm the selected listing's exact figures and compatibility before buying.

Who is it for?

A good fit for

People wanting one B22 bulb for both colour effects and adjustable white lighting.
Smart-home users interested in app or voice control, schedules, timers and music-reactive effects.
Buyers replacing a bulb in an indoor B22 fitting who want a claimed output around 1521 lumens.

Less suited to

Anyone who needs consistently reliable app or Alexa connectivity, given the mixed customer reports.
Outdoor use, as the listing specifies indoor use.

Lepro B3 Smart B22 LED Bulb, 12W, 1521lm, RGB and Tunable White · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 4,691 ratings

5 stars70%70%
4 stars16%16%
3 stars6%6%
2 stars2%2%
1 star6%6%

Customer feedback highlights enjoyment of the colour options and changing the light's opacity, while connectivity, reliability, value, Alexa integration and app functionality receive mixed reactions. For buyers choosing this bulb for RGB effects and adjustable white light, the reported colour appeal is relevant, but the conflicting experiences with connection and control matter if app or voice operation is essential. Aggregate ratings are mostly five-star, with a smaller one-star share, so they do not remove that practical uncertainty.

Positive themes

Customers are reported to enjoy the colour options and changing the light's opacity.
Some customers reportedly find the bulb enjoyable for children.

Mixed feedback

Connectivity and Alexa integration are reported as inconsistent, with experiences ranging from working well to failing to connect.
Feedback is mixed on reliability, value, power control and app functionality.

Frequently asked questions

What fitting does the Lepro B3 use?

The listing specifies a B22 base and an indoor LED bulb.

Can it produce both coloured and white light?

Yes. The title and feature text describe RGB colours and tunable white. The feature text gives a white range of 2700K to 5700K, while the details separately list 2700 Kelvin, so confirm the specification on the selected listing.

Does the bulb need a hub?

The feature listing says it connects to the Lepro app via Wi-Fi or Bluetooth without a hub or bridge.

Can it be controlled by voice?

The listing claims Alexa and Google Assistant control. Customer feedback on connectivity and Alexa integration is mixed.