The Profoto RFi Speedring Adapter for Broncolor Pulso makes the RFi softboxes compatible with well over 20 different flash brands, ranging all the way from speedlights to high-end studio strobes. Even if you own flashes from many different manufacturers, you now only need one brand of softboxes. The Profoto RFi Speedring Adapter is designed so that the RFi softboxes can be rotated 360 degrees, allowing the photographer to adjust and shape the light on the fly. The color codes make the softboxes easy to assemble and disassemble and this speedring adapter is robust and painted with heat resistant lacquer.