The is an indoor 75 ohm FM antenna, with an push-in F connector, Very easy to install, just plug it into the back of the stereo or radio. This FM stereo antenna designed for improve the FM signal, help you get more stable fm signal and stations for stereo receiver radios. Stretch the end of the antenna as far as possible away from the device for the best reception. 4.9 feet length Applicable to Yamaha, Onkyo, Marantz, Pioneer, Sony, JVC, Samsung, Boston Acoustic, Panasonic, Sangean, so on tabletop home stereo receiver desktop radio receiver.(please check the fm antenna connector jack of stereo receiver before buying) If you like to listen to music and radio while doing housework or working at the same time, This antenna is very portable. Provide a better radio stations on your Home, Garage, Basement, Attic, Office, etc 100% GUARANTEE, all products come with 12 months warranty, you are protected with our 100% No Questions Asked Guarantee for either a replacement or refund.We care about only putting out high quality products that satisfy your needs.