Mechanical keyboard Structured with a new blue switch, this blue switch is reinforced at the joint, which makes the key more stable and durable. Also dustproof and waterproof. RGB backlight Built-in 9 backlight colors, 5 backlight modes, press FN + 5 To change the backlight color, press FN + Tab to change the backlight mode. There are a total of 45 lighting effects. Programming macro With 6 programmable macro keys, linking multiple commands and activating them instantly is simple and fast. Assign one or more keystrokes to any macro key to save precious time in the middle of battle. Ergonomic design The large-res wrist and the ergonomic design provide you with a relaxing gaming experience. The recessed keycap design makes the fingertips comfortable when typing on the keyboard, sensitive input, and reduces errors. Macro recording function: 1) If G1-G6 has no recording content, the default corresponding to F1, F2, F3, F4, F5, F6. 2) If there is no recording content in G1: press FN+G1 to enter the recording state, and you can enter the recording content when the G1 light flashes. After inputting, press FN+G1 to complete the recording and the G1 light will return to the normal mode. Press FN+G1 again to clear the recording and turn it into F1 function. The methods of G2-G6 recording and erasing recorded content are the same as above. Specifications: Product Specifications: Product name: mechanical one-handed keyboard Number of keys: 35key/33key Transmission method: wired USB Key life: 5000W times Operating temperature: 0oC to 40oC Operating humidity: 85% Working voltage: 5V0.5 Working current: 350mA (MAX) Applicable system: Win2000, Win XP, Win ME, Vista, Win7, Win8, WIN10 Package Included: 1keyboard Notes: Note: 1. Try to connect the K50 single-handed mechanical keyboard to the USB interface of the computer itself, and avoid connecting cables and other external devices. 2. When the product is not in use, do not store the product in a sun-exposed or humid and dark environment for a long time to avoid damage to the internal components of the keyboard and affect normal use. 3. If it needs to be used on PS4 and other devices, it needs to be used with a keyboard and mouse converter.