Details Worn around the ear Comes with a 2.5mm mini-jack Electret microphone Foam earpad For use with HelixNet beltpacks ONLY Item Code CC-25 Technical Specifications Specifications Single Ear Headset Open Ear Phone Weight: 25g Foam Earpads Electret Microphone Impedance Mic/Earpiece: 2200ohms/32ohms Spares Part and Description CC-25-WS CC-25 Replacement Windscreen CC-25-WS CC-25 Replacement Ear Cushion CC-25-CUS10 CC-25 pack of 10 Replacement Ear cushions CC-25-CUS25 CC-25 pack of 25 replacement Ear cushions