SPECIFICATIONS Application: Desktop,Laptop Choice: yes Full Size keyboard: No High-concerned chemical: None Interface Type: USB Keyboard Standard: 104 Keys Keycup material: Abs plastic Keycup printing: Dye-sublimation Language: English Operation Style: Mechanical Origin: Mainland China Package: Yes Style: Standard Type: Wired Wrist Support: Yes semi_Choice: yes These are 2 types to choose : (1)A01 Black Ordinary Keyboard :Membrane+104 Key(NO Mechanical Keyboard)!!! (2)BA02 Mechanical Keyboard Black/White: Cyan Axis Keycaps+61 Key 61KEXS MECHANICAL KEYBOARD Feature:1. True Mechanical Shaft:Restore the original typing feel,About 50 million hits lifetime2. 61 Mechanical Keys:Experience the satisfying tactile feedback of mechanical keys. Each key press is responsive and accurate, improving the typing rate and reducing errors. A great choice for a gamer, writer, programmer, or just worker.3. Customizable Backlight: Features an adjustable backlight design, the ultra-slim keyboard allows you to freely adjust the brightness and color to suit your preference. Even in a dark room, you can easily see the keys and enhance your overall experience.4. Enduring & Compact: Made with high-quality ABS, our wireless keyboard is designed to withstand heavy use. Its compact design makes it easy to carry in a backpack or laptop bag, making it an excellent accessory for home and office use.TRUE MECHANICAL SHAT RESTORE THE ORIGINAL TYPING FEEL About 50 million hits lifetimeHIDDEN BRACKET,MORE COMFORTABLE INPUT Ergonomic design, the use of the palm more fit, different from the traditional feeling, input more comfortable keyboard tabletRICH MULTIMEDIA FUNCTIONS With the Fn key, the use of multimedia combination function, office entertainment is not wrong16 COOL LIGHT EFFECTS ,MULTIPLE BRIGHTNESS ADJUSTMENTSPUTTERING PROOF DESIGN SAFETY PERFORMANCE