1Adopting the national standard mechanical shaft body, the rebound effect is good, the paragraph feeling is strong, and the operation is comfortable. 2Fashion colors, standard 61 keys, cold light with medium characters, different colors, same quality. 3Easy to use, plug and play, dynamic backlight, night entertainment, more charming lighting. 4Made of ABS resin, fine twocolor, transparent design, comfortable to touch, not easy to oil, and not stick to fingerprints. 53 BT buttons, the host device needs to support BT 5.0 or above protocol, switch to use through "device button FN+R" (RZXIC). Item Type: Mechanical Keyboard Buttons: 61 Button Life: 50 Million Times Two-Color Keycap Wired + BT (5.0): Support Built-In Polymer Lithium Battery: 2000mAh NKey Rollover:Support RGB Glow:Support Type-C Interface:Support 1 xMechanicalKeyboard 1 x Type-C Line 1 x User Manual with builtin battery.