FYL 3.5mm Clear Acoustic Tube Listen Only Earpiece FBI style 1 yr WARRANTY SCANNER 100% Brand New, High Quality This listing is for the brand new Acoustic Tube Secret Service / FBI style listen only headset as seen in the actual photo. The discreet acoustic tube ear piece fits snugly in the ear and allows the user to hear in high noise environments and keeps incoming communication private Receive only (no transmit) 3.5mm plug (standard headphone jack) with Acoustic Tube with metal clip. Can be used for Ipod, Ipod Nano, MP3 player, phone, CD player, portable FM AM radio, shoulder microphone, etc..... The coiled cable length from the plug to the acoustic tube connector is 42 inches (fully extended). Speaker Specs DIA: f130.5mm Impedance: 32O 15% Sensitivity: 103dB3dB Frequency Response: 200Hz-3.5KHz Color: Clear silicone tube earpiece with black cable SKU: EMP803-3.5MM