1 / 7Kangtaixin G201 USB LED Letter Light, O
Kangtaixin G201 is a USB-powered LED letter light shaped as the letter O, intended for indoor decoration. It is described as colour-changing and dimmable, with app control, while the listing's physical dimensions and installation details do not fully agree.
At a glance
- USB power avoids the need for batteries, according to the listing.
- App control, dimming and colour changing are listed features.
- The letter design is intended for indoor decorative use and can be connected in a sequence with other letters, according to the listing.
Reference price: £9.99
Price checked: 13 Nov 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- USB-powered operation provides a wired alternative to battery replacement.
- App control and dimming offer adjustment options for decorative lighting.
- The O letter format is presented as part of a range that can be connected to form messages.
Cons
- USB power means the light is not cordless and needs a suitable power source while in use.
- The listing identifies the light as not water resistant, so it is limited to dry indoor settings.
Technical specifications
25 specifications| Brand | Kangtaixin |
|---|---|
| Model | G201 |
| Letter | Alphabet Letter O |
| Colour | O |
| Lamp type | LED |
|---|---|
| Number of lights | 6 |
| Bulb shape size | 54SMD |
| Bulb base | GU24 |
| Switch type | Remote |
| Dimmable | Dimmable |
| Control method | App |
| Power | USB Powered |
| Voltage | 5 Volts |
| Connectivity listed | USB |
| Dimensions listed | 3D x 6W x 3H centimetres |
|---|---|
| Mounting type | Wall Mount |
| Installation type | Freestanding |
| Material | Acrylonitrile Butadiene Styrene |
|---|---|
| Shade material | Plastic |
| Water resistance | Not Water Resistant |
| Indoor or outdoor use | Indoor |
| Finish | Polished |
|---|---|
| Shade colour | Multicolor |
| Style | Modern |
| Shape | Rectangular Prism |
What to know before buying
Listing details to confirm
The listed dimensions, 3D x 6W x 3H centimetres, conflict with the feature text's approximate 15 x 14 x 2.5 cm. Installation is also listed as both wall-mounted and freestanding, and controls are described as app-based as well as remote. Confirm the selected version's size, mounting arrangement and included control method before buying.
What’s in the box
Included- Power cable
Who is it for?
A good fit for
- People looking for a small letter-shaped decorative light for a bedroom or living room.
- Buyers who want a USB-powered letter light with app-based colour and brightness adjustments.
Less suited to
- Anyone needing cordless or outdoor lighting.
- Buyers who require confirmed dimensions or a single clear mounting and control configuration.

Customer reviews on Amazon
- 5 stars
76% 76% - 4 stars
14% 14% - 3 stars
5% 5% - 2 stars
2% 2% - 1 star
3% 3%
Aggregate customer ratings lean positive, with most ratings in the five-star category, but a smaller share are lower. This gives a generally favourable signal without explaining what customers liked or disliked. The ratings do not confirm the listing's disputed dimensions, mounting options or controls, which matter when choosing where and how to use this decorative USB light.
Frequently asked questions
Which letter is this light?
The listing identifies this model as the letter O.
How is it powered?
It is listed as USB powered at 5 Volts. It is also described as not cordless.
Can the light be dimmed or change colour?
The listing claims app control, dimming and colour changing. It also lists a remote switch, so confirm the control method for the selected version.
Can it be mounted on a wall or used freestanding?
Both wall mounting and freestanding installation are listed. The listing does not clearly establish the arrangement supplied, so check before buying.
Is it suitable for outdoor use?
No outdoor use is supported by the listing. It is described as indoor-only and not water resistant.
























