Specification:

1. Brand: Royal Kludge (RK)
2. Model: RK61 RGB Version
3. Color: Black, White
4. Material: ABS
5. Switch: RK Brown Switch, Red Switch (Note: RK61 has many versions with different brand switch, and this product link sells the RK switch version.)
6. Connection: Bluetooth + USB Wired Dual Mode
7. Layout: 61 Key 60% Keyboard Layout
8. Backlit: RGB Backlit
9. Dimension: 290*100*35mm

Features:

1. Royal Kludge RK61 is with an ultra-compact 61 keys layout, easy to carry.
2. Supports Bluetooth and USB wired dual-mode connection.
Bluetooth connection supports connecting 3 Bluetooth devices at the same time, press FN+Q, FN+W, FN+E to switch to.
USB Cable is a detachable cable design, more convenient for your use.
3. Adopting double-shot molding ABS keycaps, nearly 1.5mm thick, durable and anti-wear.
4. RGB backlit displaying, and with 17 backlit modes for option.
5. Widely compatible, compatible with Windows, iOS, Android; not only use with a desktop computer but also can be connected with a laptop, tablet, or mobile phone.
6. Supports NKRO in wired mode.
7. Driver link: Download here

How to connect to Bluetooth?

1. Turn on the power switch on the keyboard bottom.
2. Press Fn+Tab to switch to Bluetooth mode.
3. Press Fn+P to turn on Bluetooth search.
4. Press Fn+Q/W/E to connect the Bluetooth device.