The Comply™ TrueGrip™ Pro premium ear tips are designed to fit perfectly with certain fully wireless earphone (TWS) models and their charging boxes. They are uniquely designed to precisely seal the ear canal and fit any ear canal, blocking out external sound for a better music experience and clearer phone calls. TrueGrip™ Pro fittings feature a WaxGuard™ coating to protect against external contaminants.