two way radio earhook low price ,good quality wear-resistant cord high sensitivity microphone sound clarity twp way radio earhookadequate speaker output and clear sound durable and environmentalintegrated PTT and microphoneApplicable to patrolling police offcer and securtity peosonnel in hotelsuitable for motorola GP2000,GP2100,GP300,GP308,GP68,GP88,GP88s,CP88,CP040,CP100