ProtoArc EM01 Wireless Trackball Mouse and Mechanical K300 Backlit Bluetooth Keyboard Combo

• 【Mechanical Keyboard Tactile】 Fluid typing with low sound for mechanical keyboard allows you to work effectively. Low profile mechanical fluid tactile provides a very sensitive response and linear tapping in the office with this mechanical keyboard can help you experience a big different mechanical typing. 【14 Changeable Backlit illuminated Modes】Soft white LED backlighting makes the keyboard easy to type in darker light environments, allowing you to work day and night without tiring your eyes. The illuminated keyboard has a total of 14 lights for you to choose and switch. And you can speed up or slow down the flow of light according to your needs, It is more intimate to meet the user's needs about keyboard lighting. 【Mechanical Keyboard Macro】Programmable mechanical keyboards can be customized or defined with the macro functions you need through the programming software available on our website. Customize a keyboard with shortcuts that better fit your habits and increase your productivity. Note: The programming software is only available for use in wired mode 【ERGONOMIC THUMB MOUSE】With the smooth and precise rollerball mouse, you no longer need to move your arm for the movement of the cursor. Your thumb will control the cursor instead. It will effectively reduce fatigue and strain for your wrist and arm. Note: The backward and forward button is not fully compatible with MAC 【Adjustable Angle Design】Unique adjustable hinge allows you to customize the trackball angle from 0 to 20 degrees according to your needs for a more natural, comfortable hand position and less muscle strain. Note: it will enter auto sleep mode if you don't use it for a few minutes to save battery and click it, the mouse will enter working mode again