GUPUP

GUPUP Color Changing Bluetooth LED Lights for TV

Name: GUPUP Color Changing Bluetooth LED Lights for TV, Smart App Control with 20ft Strip - USB Powered Backlight for Bedroom, Gaming Room, PC, Mirror
Brand: GUPUP
SKU: B0BJ1WT49D

Status: GUPUP Color Changing Bluetooth LED Lights for TV: Unavailable on Amazon as of 2026-10-06 22:20 UTC. Closest in-stock match (same 20ft LED strip): DAYBETTER SMD 5050 Remote Control Led Strip…, $9.99 on Amazon as of 2026-10-06 22:18 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $9.99 🛒 Search eBay for this model

Bottom line: The GUPUP Color Changing Bluetooth LED Lights for TV: 20ft strip covers 70-95 inch TV perimeters, plus PC desks and mirrors; main trade-off: listing quotes two different fit ranges, 70-95 inch and 85-100 inch.

Unavailable on Amazon as of 2026-10-06 22:20 UTC

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Currently unavailable on Amazon. Not the same product — an in-stock alternative with matching specs:

Same 20ft LED strip: DAYBETTER SMD 5050 Remote Control Led Strip… — $9.99 on Amazon as of 2026-10-06 22:18 UTC (price may vary).

View Current Price — $9.99

Original listing (currently unavailable) → Compare to similar rgb & lighting

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 20ft strip covers 70-95 inch TV perimeters, plus PC desks and mirrors
✓ Two control paths: Marvelight Bluetooth app plus a 24-key IR remote
✓ Music sync reacts to ambient room sound, no audio cable needed
✓ 5V USB power means no wall adapter and on/off with most TVs

Cons

✗ Listing quotes two different fit ranges, 70-95 inch and 85-100 inch
✗ Requires the third-party Marvelight app for full color control
✗ IR remote needs line of sight, so a hidden strip may miss commands
✗ Adhesive backing is single-use, so a bad first placement is hard to redo

Manufacturer description

The GUPUP Color Changing Bluetooth LED Lights turn a dark wall behind your screen into 20 feet of ambient backlight, and the strip is sized for the largest panels most rooms hold. GUPUP rates this kit for 70-95 inch TV backgrounds, with the listing also citing an 85-100 inch fit, so measure your bezel perimeter before you commit the adhesive. You get two ways to drive it: the Marvelight app over Bluetooth, or the bundled 24-key IR remote for brightness, color, and mode changes from the couch. The 16 million color range covers static scenes and dynamic flashing modes, and the built-in music…

SpecPicks Verdict

SpecPicks scored GUPUP Color Changing Bluetooth LED Lights for TV using a rating × review-volume × price-fit model applied to published specs and reviews across the rgb & lighting category. GUPUP's rgb & lighting lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for rgb & lighting of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Will 20ft of strip fit around my 85 inch TV?

GUPUP lists this 20ft kit for 70-95 inch TV backgrounds, and the product title cites 85-100 inch, so an 85 inch panel is within range. Measure the four sides of your TV before installing, since the adhesive is meant for one placement.

Do I need to plug it into a wall outlet?

No. The backlight is 5V USB powered and runs off your TV's USB port. GUPUP notes it can power on and off with the TV on most models, which depends on whether your set keeps its USB port live when off.

How do I change colors, phone or remote?

Both. You get app control through the Marvelight app over Bluetooth, plus a 24-key IR remote for brightness, color, and mode. The remote is useful when you do not want to unlock your phone.

Does the music sync need to be wired to my TV audio?

No cable is described. GUPUP states the lights sync with ambient sound picked up from the room, so the strip reacts to whatever your TV or speakers are playing without an audio input connection.

Key Features

Music Sync TV LED Backlight: Gupup LED lights for TV sync with ambient sound inputed, creating a romantic atmosphere with your loved one using Gupup TV LED backlight.
Dual Control TV LED Lights: TV lights have two control methods: 1) App control via Marvelight app and 2) IR remote control with 24-key remote for adjusting brightness, color, and mode remotely.
16 Million Colors LED Rope Lights for TV: Gupup LED rope lights increase ambient light, reduce contrast between TV and dark environment, and relieve eye strain with dynamic flashing mode for better visual experience.
5V Safer TV Backlight: TV backlight powered by USB port, can be turned on/off synchronously with most TV models, making decoration safer and lighting up every side of your TV.
Easy Installation with TV Behind Light: 20ft TV LED lights fit for 70-95 inch TV background, can be easily installed behind TV with unique stronger adhesive for better fixation on TV.

Full Specifications

Brand	GUPUP
Color	Multicolor
Style	Modern
Theme	Tv,Tv】gupup,Tv,tv
Voltage	5 volts
Wattage	5 watts
Occasion	Christmas
Unit Count	1.45 Feet
Form Factor	String Lights
Item Length	20 feet
Light Color	RGB
Connectivity	Bluetooth, USB
Model Number	TV Backlight 20FT
Power Source	Corded Electric
Compatibility	PC
Material Type	polyethylene、copper、Polyimide film
Product Style	Modern
Control Method	App
Controller Type	Remote Control
Number of Items	1
Full listing title	GUPUP Color Changing Bluetooth LED Lights for TV, Smart App Control with 20ft Strip - USB Powered Backlight for Bedroom, Gaming Room, PC, Mirror, Fits 85-100 Inch TVs,20ft

Ready to buy?

Amazon shows no buyable offer for GUPUP Color Changing Bluetooth LED Lights for TV at the last check. The closest in-stock match with the same 20ft LED strip is DAYBETTER SMD 5050 Remote Control Led Strip…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $9.99