budget-friendly, compact mechanical keyboard primarily designed for gamers, but it also appears in a multi-device Bluetooth variant by other brands like . Depending on the model you have, it either features a wired TKL (87/88 key) layout or a wireless scissor-switch design with a built-in device cradle. Concept Kart Key Specifications & Variants Wired Mechanical Model (Rii): Features clicky Blue Switches
FN + ↑ / ↓: Increase or decrease backlight brightness (6 levels). rk908 bluetooth keyboard manual hot
The keyboard supports multi-device switching across three channels. Concept Kart : Slide the power switch on the side or back to Select Channel : Short press a Bluetooth key (e.g., ) to select a channel. Enter Pairing Mode : Press and hold the same Bluetooth key (e.g., ) for approximately until the LED indicator starts flashing rapidly. 1500mAh – 3000mAh battery (typical for RK900 series)