These practice headsets are compatible with the Stilo DG WL-10 intercom amplifier to create a wireless communication solution for road sections or recces. The headsets simply connect with the amp via bluetooth to provide clear communication with no wires to get in the way.Compatible with Stilo DG WL-10 wireless amplifierWireless communication for road sections or reccesHigh quality noise cancelling microphone for superb voice clarityComfortable ear cups block ambient noiseFlexible microphone boom for optimum positioning which does move with vibration or bumpsThe Stilo wireless WRC practice headsets feature extremely comfortable ear cups which effectively block out ambient noise. The noise cancelling microphone ensures excellent communication quality and the flexible boom allows for optimum mic positioning. Although flexible the boom will stay in position even over the roughest of terrain. Sold each.