Name: Mini Bluetooth Mechanical Numpad KeyboardColor, Model: SK21/GK21S, Item Type: USB Wired Mechanical Keyboard/Bluetooth Dual Mode Mechanical Keyboard, Material: PBT, Color: White, Axis Body Type: Blue/Red/Black/Brown/Yellow/Silver/Green(Optional And Mechanical), Axis Body Type: Gateron (Optional And Mechanical) “” ( Gateron is an internationally renowned shaft and feels good touch.), Backlight Type: RGB Light, Keys: 21 keys, Connection: Wired (Optional)/Wireless bluetooth (Mechanical), Interface: USB 3.1 Type C/Bluetooth 5.1, USB-C Cable Length (m): 1.5m/4.921ft (Approx.), Keyboard Lifespan (times): more than 100 million, Bluetooth Version: SupportBluetooth dual mode version only, Hot swap : support(Hot Swappable with Optical switches only), Power Supply: USB Port, Suitable for: PC, Waterproof level: IP68, Quantity: 1 Set Mini Bluetooth Mechanical Numpad Keyboard (other accessories demo in the picture is not included)