ExpertPower 2-wire Surveillance Earpiece PTT Mic for Icom IC-F11 IC-F11S IC-F21 IC-F21S IC-F24 IC-F24S IC-F31 IC-F3 IC-F4 IC-F4TR IC-F3G IC-F3GS IC-F3GT IC-F4G IC-F4GS IC-F4GT IC-F34G IC44G IC-F43 IC-F43GS IC-F43GT IC-F43TR IC-F10 IC-F20 IC-F15 Brand New Acoustic ear tube/air tube earpiece with coil cord design. Flexible and durable high grade Kevlar cable for demanding applications. Mini PTT Mic with a metal clip. Can be attached covertly to an undergarment or used overtly. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.