The USB A female reverse 90 degree sinking board 1.1/1.9 plug board has no curling edges. The short body USB female AF sinking board 1.9-4P plug board belongs to the AF female seat under the USB2.0 series connector, with a standard specification of 4Pin pins. The first and last two pins are for positive and negative charging functions. Our company's USB female seat supports a current of 2.1A. In terms of appearance and structure: This product is a sinking board USB motherboard with a sinking depth of 1.9 millimeters. The main body length belongs to the category of short body USB motherboards. In terms of appearance and shape, this product has a straight edge flat mouth, and is welded and fixed to the PCB board using a four pin plug-in type. The 4P pin soldering method is a 90 degree plug-in board. In terms of material used in the product: the surface of the hardware shell is nickel plated, the plastic is high-temperature and environmentally friendly LCP plastic, the colloid color is white, the pin material is copper needle, the contact end surface is gold plated, and the solder end surface of the plug-in board is tin plated. The electrical performance and detailed dimensions and structural data of the product can be directly viewed from our PDF specification parameters. If you need a sample of a short USB base AF sinking plate 1.9-4P plug-in board, you can directly contact our company. If you need any relevant product information not listed in this product description, you can directly inquire with our company.