This comprises a standard "D" earpiece that goes around the ear lobe. Then the long wire goes directly down to the molded 3.5mm mono jack plug. It is long enough to wear the radio on the belt or in a trouser pocket.D-shape type receive only earpiece with coiled cord and 3.5mm unthreaded plug for two way radioWith one pin 3.5mm plug jack, fits either earFit on outside of the ear, provide exceptional comfortExcellent for use in for police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses and noisy environmentsNo PTT or Microphone, this is for listening onlySpeaker Size: 19mmImpedance: 32Frequency Response: 20Hz-20KHzSensitivity: 87dBLength: 100cm/39.37"Compatibility: For the following for Motorola portable two way radios: APX7000, XTS5000, XTS3500, XTS3000, HT1000, PR1500, JT1000, MT1500, MT2000, MTS2000, MTX8000, MTX9000, MT1500, MTS2000, XPR6300, XPR6350, XPR6500, XPR6550, HT1250, HT1550, HT750, MTX8250, MTX8250LS, MTX850, MTX850LS, MTX9250, MTX950, PR860, EX500, EX560XLS, EX600, EX600XLS, BPR40, CP110, CP150, CP185, CP200, PR400, XTS1500, XTS2500, XTS3000, XTS3500, XTS5000, MTX838, MTX-LS and other compatible modelsCompatibility:Quantity:1Pc