Earphone adapters designed to feel better, sound better and stay in place. Uniquely designed of hypoallergenic silicone, the flexible fin design better conforms to the ear for all day comfort. Provides superior audio experience by properly channeling sound inside the ear canal, while securely blocking outside noises. Stay in place, even with extreme riding activity. Fit most earbud headphones and Bluetooth headsets. Two sizes included (size 4 and 5), with the larger (size 5) pair offering the greatest degree of sound isolation. Two pair. White or Black.