<p><b>Introduction:</b></p> <p>This is a RGB backlight mechanical keyboard with 61 keys.It supports Wireless/Wired Dual Mode Connections to the device and Compatible with Windows/MacOS/Android.It has various application designs,such as All Keys Without Conflict,brilliant color Backlit and control of hardware Backlit</p> <p> </p> <p><b>Specifications:</b></p> <p>Size:11.4x3.9x1.7 inches</p> <p>Layout:61 Keys</p> <p>Backlight:RGB</p> <p>Material:ABS</p> <p>Switch:Blue or Brown or Red</p> <p>Keyboard Colors:Black or White</p> <p>Modes:Bluetooth 3.0 and Type-c USB</p> <p>Voltage:5V</p> <p>Systems Support:Windows XP/VISTA/7/8/10,IOS,Macos,Linux,Android</p> <p> </p> <p><b>Method of Use</b></p> <p><b>Combination Keys’ function</b></p> <p>Press FN+Left Ctrl to switch to the second function of Combination Keys(except Arrow Keys).Press FN+Ctrl again,to restore the 9 keys main function Y/U/I/H/J/K/N/M/<,but the other Combination Keys still in the second function.Press FN+Ctrl third times,all the Combination Keys’ main function recovery.You can also lock/unlock Arrow Keys at any time by pressing FN+Enter</p> <p><b>Use the Shortcut Keys</b></p> <p>FN+A/S=Switch Win/Mac</p> <p>FN+(F1-F12)=Achieve functions such as: Previous track,Mute and so on(Only for MacOs)</p> <p><b>Adjust the Backlight</b></p> <p>FN+(.>)=Adjust Backlight colors</p> <p>FN+(\|)=Switch Backlight effects</p> <p>FN+([{), (}]), (;:), ('”)=Adjust brightness and speed</p> <p><b>Connect Bluetooth</b></p> <p>1.Open the back switch of Keyboard to "on"</p> <p>2.Select a group of BT modes to be connected through FN+Q/W/E</p> <p>3.Press FN+Q for a long time.At this time,the Q key will flash,and the keyboard has entered the pairing mode</p> <p>4.Open the computer/mobile BT,search and connect the device</p> <p>5.Connect successfully,Q key stops flashing</p> <p><b>Package Content:</b></p> <p>1xRK61 Mechanical Keyboard</p> <p>1xType-C cable</p> <p>1xKeycap Puller</p> <p>1xUser Manual</p>