**********Loud speaker; remote speaker give you clear and loud voice so you can hear your teammates clearly*****Kevlar reinforced spring cable; durable PU coil cord allows you extremely get long term usage experience*****Non-slip durable PTT with sensitive mic; push to talk button and remote mic allow you clip it to collar close to mouth to transmit clear for hands free conversations*****The remote mic speaker with Kenwood standard 2 pin k head plug type allows work with most brands walkie talkies; but not for Motorola and Midland two way radios*****Strong swivel clips allow you to hold the mic in collar; pockets or other convenient place