Joomer RGB Christmas String Lights, 10 m, 100 LEDs, USB Powered

Powered: Joomer RGB Christmas string lights offer a 10 m illuminated run with 100 LEDs, remote control and timer settings. Their USB power suits installations near a USB source, while the listing warns that the USB connection itself must be kept dry outdoors.

At a glance

The string is described as 10 m of illuminated lights plus a 2 m lead, for 12 m total.
The listing describes 13 single colours, two multicolour options and five dual-colour options, as well as multiple effects.
A remote and controller button are listed. Timer settings switch the lights on for 4, 6 or 8 hours and off for the remainder of a 24-hour cycle.
A memory function is claimed to retain the previous mode setting.

Price

£9.91Save 15%

Reference price: ~~£11.66~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

USB power can suit a nearby USB port or power bank, rather than requiring a listed dedicated mains plug.
Remote operation and a controller button provide more than one way to change lighting modes.
The timer and memory functions can reduce repeated manual setup for regular use.

Technical specifications

31 specifications

Identity and lighting
Brand	Joomer
Light source	LED
LED count	100
Colour	Multicolor, RGB
Listed colour variant	Rgb-10m
Theme	Christmas, Halloween, Thanksgiving
Occasions	Birthday, Christmas, Halloween, New Year, Wedding
Season	All Seasons
Style	Modern
Form factor	Chain
Layout	Linear

Lengths and physical details
Total length	Total Length: 12M
Illuminated length	Lighted Length: 10M
Lead length	Lead Length: 2M
Bulb spacing	Bulb Space: 10.5CM
Weight	0.19 Kilograms
Material	Copper

Power and controls
Power configuration	DC Power Supply
USB power	USB plug-in type
Wattage	5 watts
Control methods listed	Remote
Wireless connection listed	Bluetooth
Remote type	42 Keys IR Remote Control
Remote range	Up to 10M
Timer options	4H
Timer options	6H
Timer options	8H

Modes and protection
Lighting modes listed	Steady On, Slow Fade, Shining Star, Bloom Fade, Stacking, Fire Work Twinkle, Star Shower, Water Flow
Water resistance listed	Not Water Resistant
Ingress protection rating listed	IPX7
Indoor/outdoor use listed	Indoor, Outdoor

What to know before buying

Listing details to confirm

Water and connectivity details conflict: the specifications say “Not Water Resistant” while also listing IPX7, and the feature text claims outdoor waterproof use but says to protect the USB end from water. Bluetooth is listed despite the product descriptions specifying an infrared remote and USB control. Check the selected listing and keep the USB connection dry. The title says 10 m, while product details specify 10 m illuminated plus a 2 m lead.

What’s in the box

Included

1 × 100 LED RGB string lights
User manual
1 × remote controller

Who is it for?

A good fit for

People decorating a tree or indoor space who want a 10 m illuminated RGB string and a longer lead.
Buyers with access to a USB power source who want remote-selected colours, effects and timer settings.
Occasional seasonal or party decoration where multiple colour and effect options are useful.

Less suited to

Anyone needing confirmed water resistance for the complete set, including its USB connection.
Buyers who require a confirmed Bluetooth-controlled setup or a specified mains adapter.

Joomer RGB Christmas String Lights, 10 m, 100 LEDs, USB Powered · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 4,831 ratings

5 stars75%75%
4 stars12%12%
3 stars4%4%
2 stars2%2%
1 star7%7%

Customer feedback highlights bright colours, appearance, brightness and a range of modes as positives, with value also appreciated. Reports on reliability and the remote are mixed, including comments that lights stop working or the remote does not function properly. That matters if the remote is central to using the listed colour and timer controls. These are reported customer perceptions, not confirmation of performance.

Positive themes

Customers praise the colours, brightness, appearance and range of lighting modes.
Customers also express positive views about value for money.

Mixed feedback

Feedback on reliability is mixed, with some customers reporting that the lights stop working.
Remote control feedback is mixed, including reports of remote operation problems.

Frequently asked questions

How much of the string is illuminated?

The listing specifies a 10 m lighted section and a 2 m lead, giving a stated total length of 12 m.

Can these lights be used outdoors?

Outdoor use is claimed, but the protection information is contradictory and the USB end is specifically said to need protection from water. Do not assume the entire assembly is weatherproof.

What controls and timer settings are described?

The listing describes a controller button and an infrared remote with lighting modes and timer settings for 4, 6 or 8 hours on, followed by the remaining hours off.

Does the listing confirm Bluetooth control?

Bluetooth appears in the specifications, but the product descriptions identify USB power and an infrared remote. Bluetooth operation is therefore unconfirmed.