The kit dedicated to the Shark helmet has a Hi-tech microphone and dual ultra-thin high-performance earphones to ensure optimal sound quality. Compatible with Shark's Evoline, Spartan, Skwal, Vancore, Evo-One and Drak models, the kit is easy to install and adheres perfectly to the inside of the helmet, for a relaxed and trouble-free ride. The kit is also compatible with Avant, Tour, Sport, Urban and Link intercoms.