USB 2.0 Coupler Inline Type Keystone Jack Adapter -Type: Keystone (can work with wall plate) -Usb style keystone jack- Coupler Type (female connectors on the front and back) -For use with keystone panels or wall plates Monoprice continually strives to improve its product line to bring our customers the best products available Therefore changes may be made to Listed Specifications without prior notice -It can also be used as regular USB coupler to join 2 USB type A Cable together CCS-2831 - We specialize in Electronics, Computer, Cell Phone, Camera, Professional Signal Conversion Devices, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188