3mm WS2812B COB LED Strip Kit with Controller — 3.28ft Ultra Thin 5V USB Smart IC RGB, Individual Addressable, Dream Color (240 LEDs/m)

Bright, ultra-thin, and fully addressable — this 3mm WS2812B COB LED strip kit delivers vivid RGB dream-color effects in tight spaces. Perfect for TV backlight, gaming rigs, home decor, stage scenes, and creative DIY lighting where precision control and a narrow profile matter.

Key Features

• Ultra-thin 3mm PCB — fits into narrow channels and discreet installations where a standard 5mm strip won’t.
• WS2812B addressable LEDs — each LED has its own smart IC for full individual RGB control and smooth color gradients.
• High density — 240 LEDs/m for rich, continuous color and detailed effects.
• 5V USB powered — convenient 5V supply via included adapter; plug-and-play for most setups.
• Multiple control options — app control, IR remote, and controller buttons for quick adjustments.
• Voice-ready — compatible with Google Assistant and Amazon Alexa for hands-free control.
• Strong adhesive backing — peel-and-stick installation for clean, fast mounting.
• Ready-made effects — rainbow flow, chase, breathing, comet trails, gradients and more.

What’s in the Kit

• WS2812B COB LED strip — 3.28ft (1m)
• USB controller with remote
• 5V 2A (or 3A depending on kit) power adapter
• Quick-start guide

Specifications

• Part Number: HC-3MM-240-5V
• Model: HC-3MM-240-5V-White-2A-1M
• LEDs: 240 LEDs per meter
• Width: 3mm (narrow PCB)
• Length: 3.28ft (1m)
• Voltage: 5V USB
• Color: RGB (full color)
• Warranty: 1 year

Easy Installation

• Clean and dry the mounting surface.
• Peel off protective film from the adhesive backing.
• Stick the strip in place and connect the USB power adapter and controller.
• Use the app, remote, or controller buttons to choose colors and effects.

Control & Compatibility

• Mobile app for custom scenes and animations.
• IR remote for quick presets and brightness control.
• On-device controller buttons for local control.
• Works with Google Assistant and Amazon Alexa for voice commands.

Ideal Uses

• TV and monitor backlighting
• Gaming room and PC case accent lighting
• Home theater and stage backlight
• Photography and video accent lighting
• DIY projects, models, and displays

Power Notes & Tips

• 3.28ft (1m) strip requires a 5V 2A (or larger) power supply.
• For longer runs or higher-power setups, use recommended power ratings to ensure consistent color and brightness.

Order this 3mm WS2812B COB LED Strip Kit for ultra-thin, individually addressable RGB lighting that transforms your space with smooth, programmable dream-color effects.

Illuminate your space with vibrant colors using this ultra-thin 3mm WS2812B LED strip kit. It features individual addressable LEDs for stunning visual effects, easily controlled via app, remote, or voice.

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in stock

Amazon price updated: October 7, 2025 2:40 pm