BRIMFORD Macro Programmable Keyboard Bluetooth, One Handed Custom 2.4 G Programmable Gaming Keyboards White Multifunction 15 Keys 3 Knobs Compatible for Windows,Mac OS, Suitable for Office/Lab

Setting Software Download Link: https://sikaicase.com/blogs/support/setting-for-software. (Setting need connect the USB-C Cable) NOTICE: If you want to use it on MAC, you need to set up Win7 and above before you can use it on Mac OS.

3 Modes Connection Method: 2.4G Receiver / BT5.0 / USB-C Cable. 1200mAh Battery can be used for about 2 Weeks, Green Light on means the Battery is Fully Charged.

Knob Setting: The Knob Can be Turned Left, Right, and Pressed in the Middle to Set Functions such as Volume increase/decrease/mute, Song previous/next/pause/play, etc.

7 Colors/ 5 Modes Configurable: Red, Orange, Yellow, Green, Cyan, Blue, Purple. LED Mode0: Close the Light. Mode1: Light on (All Keys); Mode2: Fast Glow (From First to Last Keys); Mode3: Fast Glow (From Last to First Keys); Mode4: Light Up when Pressed (Single Key); Mode5: White Light on (All Keys). NOTE: Light will on only with the USB Cable Connect.

Switch the Layer: Different Layers for Different Functions, Store Different Settings and Apply them to Different Software/Games at Any Time.