Seadream 2Pack USB 3.0 Type-A Male to Male And Female to Female Adapter Bridge Extension Coupler Gender Connector(1pcs M to F + 1pcs F to F) Supports data transfer rates of up to 5Gb/s and is backward compatible with USB 2.0/1.1. Makes installation in tight spaces much easier USB COMPATIBLE without sacrificing performance to any USB cable Combines two USB 3.0 male or female cables into a single, longer cable Package included:2Pack Each of USB 3.0 type A Male to Female and female to female