Brand: RII Series Name: RK908 Button: 87key Language: English Backlight: Mix lights(RGB) / No lights Switch description:Blue switch has paragraph sense , when you pre it ,it have a "kacakaca" sound Onboard Macro Keys How to use the Marco Function? 1. Enter macro recording mode: Pre FN + \ into macro mode, The first time you do macro recording, the Num keys 1-5 will flash with yellow light. It means the keys have no recordings. 2. Start recording: Pre one key, like 1, to start your recording the short cuts (when recording,the keys you enter will ligth then go out, meaning that it is succefully recorded). It will save automatically when it reaches the max macro (64),also you could save in advance by preing Fn + \ . You could do 5 recordings in total. 3. Step3: Turn on macro recording: pre Fn + Win . NOTE: For the key already recorded, next time you enter macro mode, the key will keep light and other keys not recorded will flash in yellow light. 4. Recording clearance: Pre Fn+Esc,then enter F1 F3 F5 in order (Reset Function). Example:f you want to recording riitek.comto the Num key 1, so that next time you could typing the website with only one click. Here is steps: 1. Enter macro recording mode: Pre Fn+\ , now Num keys 1-5 will flash with yellow light since they all blank. 2. Start to record: Pre 1(other keys lights go out),enter riitek.com and pre Fn+\ to save and finish recording. 3. Turn on Macro recording: Pre Fn+Win Blue Switches 2.2 mm Pre-travel 4 mm Actuator Travel 50 cN Actuation Force 50-million-keystroke lifespan In the world of mechanical keyboards, different types of switch are represented by different colors. Blue switches are characterized by their ultra-fast response, satisfying key travel, and crisp click as the key pre is registered. Blue switches are louder and more tactile than all other claes of switch, particularly Red switches and Brown switches. They are also easier to actuate than Black and Green switches, which makes them more suitable for long-term use. The distinctive experience Blue switches provide has made them greatly popular among mechanical keyboard enthusiasts, and they are used by wide range of users, from profeional gamers to typists. Included Keycap Puller Rii 87-key Mechanical gaming keyboard comes with a keycap puller to help clean the keyboard easier. Product Specifications Keyboard Dimension 14.3 x 5.5 x 1.41 inches Connection Method USB Wired(Plug and play) Compatible System Win98/XP/2000/ME/Vistar /Win7/ Win8/ Win10 and other operating systems Package Content 1 x Wired mechanical gaming keyboard, 1 x Keycap Puller, 1 x User Manual