What is this?USB 2.0 breakout board are great for USB data line testing, computers and DIY electronics,3D printer .What will I get?Type: USB 2.0 Female Pin Number: 4-PinColor: GreenPcb Board Total Size: 25*21*1.6mm(L*W*H)Pin pitch:2.54mmHole Diameter*Hole Distance: 4*(10*20mm)In the package: 5pcs x Vertical USB 2.0 Female Breakout board,5pcs x 4-pin bent pinAre there any advantages of the product?Vertical USB 2.0 Adapter board is made of good quality material, which can extend the life of the product.How to use it?PCB board, already soldered for easy wiring.What should I notice?Note: Please understand that there may be slight color differences due to different lighting and monitor differences.