MACTISICAL USB 3.0 Keystone Jack Inserts, 5pcs USB to USB Adapters Female to Female Connector White USB 3.0 KEYSTONE INSERT - This SuperSpeed USB 3.0 adapter will allow you to connect two USB cables to work as an extension. Support the latest version of USB3.0, also compatible with the USB2.0/1.1 version USB COUPLER with female ports on both sides connects to a USB cable concealed behind the wall. Connect a USB printer with a USB A to B cable (sold separately) to a computer located in another room USB 3.0 DATA RATE up to 5 Gbps is supported by this keystone insert. Experience performance 10 times faster than USB 2.0 STURDY SNAP-IN CONSTRUCTION of USB feed-through keystone provides a secure connection. Re-usable keystone jack inserts can be easily disconnected and relocated when upgrading or redecorating COST-EFFECTIVE 5-PACK provides extra inserts to provide USB connectivity throughout the house, small office or lab. Provides a tidy and professional looking installation