The Worlds best ear pieces period. 90 degree transducer with extra loud volume. Convertible style with Semi custom or full custom ear molds. Choose small, medium (most popular) or Large semi customs. Semi customs fit 99% of all drivers ears. In stock, ready to ship. Includes standard 3.5mm audio jack for use with all Raceceivers, scanners, 2 way radios, and helmet microphone kits. Not Stereo for use with IPOD.