Pack of 2 Maximal Power RHF 617-1N 3.5mm Surveillance Plug Receiver/Listen Only Audio Earpiece for 2-Way Radio Transceivers and Radio Speaker Mics Connection Type: Universal 3.5mm connector fits two-way radios, radio speaker mics, MP3 players and Earpiece: Clear, hypo-allergenic acoustic tube gives a discreet look and provides perfect sound Durability: Flexible and durable high grade Kevlar cable for demanding applications Uses: Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, Guarantee: Purchase Expert Power products with ease of mind with our 1 Year Warranty