This retractable FM radio antenna can be connected to FM radios, enhance the receiving signal of your radio. 3.5mm port is suitbale for almost all FM radios. Features: With retractable 4 sections, it helps to enhance the receiving signal of your radio. Lightweight, convenient to take with you anywhere. Wide frequency range, 88-108mhz, offers more signal for FM radio. A great replacement for your damaged FM radio antenna. Just plug it into the radio directly, easy and convenient to use. Specifications: Frequency: 88-108mhz Material: Stainless Steel Section Number: 4 Color: Silver Maximum stretch length: 24cm / 9.4in Shortest contraction length: 8cm / 3.1in Item Weight: Approx. 5.8g / 0.2oz Package Size: Approx. 13*5*0.8cm / 5.1*2*0.3in Package Weight: Approx. 9.5g / 0.3oz Package List: 1 * Retractable Antenna