USB mother seat AF sinking board 1.9 pin 4P mounting white rubber core curling edge, USB mother seat AF sinking board 90 degree flat foot mounting board fixed curling edge white rubber 4P pin mounting board, plastic material is environmentally friendly and high-temperature resistant PBT plastic, the colloid color is white, the surface opening of the hardware shell is curling edge flipping shape, the pin number is 4P, the material is copper plated gold, and the packaging form is double flat foot mounting board fixed. This product is specifically used for tablets, laptops, desktop computers, inkjet printers Needle printers, multifunctional printers, 3D printers, LCD TVs, 3D LCD TVs, scanners, projectors, set-top boxes, audio amplifiers, card speakers, DVDs, speakers, mobile power supplies, phone chargers, USB chargers, wall USB charging sockets, airport specific USB sockets, Samsung digital cameras, Nikon digital cameras, Canon cameras, Sony cameras, DSLRs, 3D glasses, card readers Please refer to the PDF specification for the electrical performance parameters and appearance size data of the multi in one card reader.