is there rgb and if there is can you turn it off?

Answer is only true for the "Carbon" color case with the orange keys - the "Classic" (white case and white keys with blue underlighting shown in the image) uses Fn+Delete to turn the lighting on and off. Of the two versions sold by Amazon on this page, neither has RGB lighting.

The keyboard when charging, the indicator stays red only. How can I tell its charging or fully charging?

The indecator light will turn red when fully charged.

if I don't want to use bluetooth, can I disable the transmitter and use usb-c only?

Yes! Just keep the dongle in the board, flip the switch to “G” to ensure Bluetooth is not on, and plug the cable in!

How to reset backlit mode? For some unknown reason the left side is only portion lit.

You can try to long press FN+ESC, and then press FN+\| or download the software to set the backlit mode. If failed, plz contact us via Amazon massage, we will help you!

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RK100 Red Switch

Product ID: 267525407

Details

Brand
RK ROYAL
Color
Classic
Compatible Devices
Gaming
Connectivity Technology
Bluetooth
Keyboard Description
Tri-mode
Keyboard backlighting color support
RGB

📶Tri-mode connectivity: Bluetooth 5.1, 2.4Ghz, Wired

🔄Hot-swappable switches for ultimate customization

🔋3750mAh battery for marathon sessions

R$1135

Duties & taxes included

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Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⌨️ Elevate your desk game with the RK100 — where style meets unstoppable performance!

COMPACT POWERHOUSE - 96% full-size layout with 100 keys balances space-saving design and full functionality for pros on the go.
PLUG PLAY FREEDOM - Hot-swappable MX-compatible switches mean you can tailor your typing feel anytime—no soldering, no hassle.
LIGHT UP YOUR WORKFLOW - 18 RGB modes plus 8 monochrome options let you personalize your setup and stand out in any workspace or gaming den.
STAY CONNECTED STAY POWERED - Built-in 3750mAh battery plus 3 USB ports keep your peripherals charged and your productivity uninterrupted.
SEAMLESS MULTI DEVICE CONTROL - Connect up to 3 devices via Bluetooth 5.1 and switch effortlessly between work and play without missing a beat.

The RK ROYAL KLUDGE RK100 is a versatile 96% full-size wireless mechanical keyboard featuring 100 hot-swappable keys with Red switches. It offers tri-mode connectivity (Bluetooth 5.1, 2.4Ghz wireless, and wired USB-C), customizable RGB backlighting with 27 modes, and a robust 3750mAh battery. Designed for gamers and professionals alike, it supports multi-device pairing, includes 3 USB pass-through ports, and is compatible with Windows and MacOS, delivering a premium typing experience with maximum flexibility.

Specifications

ASIN	B08JD4D4FW
Additional Features	3 USB Ports, Full Size, Tri-mode, Wrist Rest
Antenna Location	Gaming
Best Sellers Rank	#5,401 in Video Games ( See Top 100 in Video Games ) #426 in PC Gaming Keyboards
Brand	RK ROYAL KLUDGE
Built-In Media	USB Cable
Button Quantity	100
Color	Classic
Compatible Devices	Gaming Console/Laptop/PC/Tablet/Smartphone
Compatible Operating System Family	MacOS, Windows
Compatible Tablet Computer Models	AAUB P30
Connectivity Technology	Bluetooth
Customer Reviews	4.2 out of 5 stars 739 Reviews
Enclosure Material	Acrylonitrile Butadiene Styrene
External Testing Certification	Não aplicável
Generation	2nd Generation
Hand Orientation	Ambidextrous
Item Dimensions L x W x H	14.49"L x 4.1"W x 1.6"H
Keyboard Backlighting Color Support	RGB
Keyboard Description	Tri-mode Mechanical Gaming Keyboard
Keyboard Layout	QWERTY
Manufacturer	RK ROYAL KLUDGE
Mechanical Keyboard Switch Model	Blue, Brown, Red
Model Name	RK100
Number of Batteries Required	1
Number of Keys	100
Power Source	Battery Powered
Recommended Uses For Product	Gaming
Special Feature	3 USB Ports, Full Size, Tri-mode, Wrist Rest
Style Name	Gaming
Switch Type	Clicky/Tactile/Linear
Total USB 2.0 Ports	2
Unit Count	1.0 Count
Warranty Description	3 months

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R$1135

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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