135 KEYS: Blue switch single handed keyboard 35 keys are conflict free, press the switch to make a loudly click sound, crisp paragraph feeling, strong mechanical sense, provide precise tactile feedback for gaming and typing. 2COOL RGB BACKLIGHT MODE: Customize a variety of lighting effects, static and dynamic can be selected to bring more fun to your game, FN+3: brightness increase, FN+3: brightness decrease, FN+5: color switching, FN+TAB: lighting effects Transition. 3ERGONOMIC DESIGN: The large palm rest provides better wrist support, which can effectively reduce hand fatigue and provide you with an easy gaming experience. 46 MACRO RECORDING KEYS: Press FN+G1/G2/G3/G4/G5/G5 for macro recording, first enter the content to be recorded (FN+G1), the G1 light blinks; press FN+G1 again to complete the recording, the G1 light returns to normal; G2 to G6 Macro Recording is the same as G 5COMPATIBLE SYSTEMS: Portable mini gaming keypad requires no driver, plug and play, fully compatible for Win10/8/7/Vista/ME/XP, for Linux, for OS X, etc.