180 degree 2.0 USB sinking connector 1,not curling edge 2,white plastic core 3,USB 1.1/2.0 compliant; 180 degree sinking connector without curling ... have any needs about switches,usb connector,sockets and so on.We always adhere to the business philosophy of "to satisfy customes's demand ... provide the excellent products and best service for you.Welcome to contact us,thanks!