1、The environmental protection fireproof board is clean and tidy, high-tech/true material/fine craft. 2、Equipped with precision: perfect integration with the equipment, can show the charm of fashion at any time. 3、Rocker ball: comfortable hand feel, convenient and sensitive. 4、Small pitch, quick move, high sensitivity, smooth bypass, no delay, long life, light touch, moderate elasticity, smart, even smooth strokes. 5、Strong wear resistance: can effectively prevent stains and scratches. Features: 1. The environmental protection fireproof board is clean and tidy, high-tech/true material/fine craft. 2. High-quality acrylic crystal shell, high-precision laser cutting, new structural design, reliable and beautiful. 3. Strong wear resistance: can effectively prevent stains and scratches. 4. Equipped with precision: perfect integration with the equipment, can show the charm of fashion at any time. 5. Made of high-quality materials, safe and secure use. 6. 3D card-type rocker, each touch has the sound of the arcade room, classic reproduction. 7. Rocker ball: comfortable hand feel, convenient and sensitive. 8. Dedicated rocker retaining ring, quality assurance. 9. Small pitch, quick move, high sensitivity, smooth bypass, no delay, long life, light touch, moderate elasticity, smart, even smooth strokes. Specification: Product Name: 30/24 card button + 5P rocker (double kit) black USB core board Applicable places: arcade, fighting, King of Fighters home USB set, etc. Product Size: about 9.4* 3.5*1cm/ 3.7* 1.38* 0.39inch Package Size: about 16.1* 9.7*8cm/ 6.34* 3.82* 3.15inch Package List: 2 x Rocker 2 x Rocker Ball 2 x Rocker Stick 2 x Core Board 2 x USB Cable 20 x Connection Line 20 x Button 2 x 5P Cable