3 Year Manufacturer Warranty 3 Year Manufacturer Warranty Compatible with Shoulder Speaker Microphones that Accept a 3.5mm Receive Only Plug Headset Fits Motorola, Kenwood, Harris, Tait, Icom, and EF Johnson Police Speaker Mics with 3.5mm Audio Accessory Ports Kevlar Reinforced Earpiece Cable with Durable Strain Reliefs Provide Peace of Mind for Law Enforcement Earphone Kit Includes Sheepdog Listen Only with 3.5mm Plug (SD-AT-3.5C), Left and Right Medium Earmolds, Clear Coiled Acoustic Tube and Flesh Eartip.