Compatible with the Motorola CLP1010e, CLP1040e, CLP1080e, CLP1083e, CLP107e, CLP446e, and CLPe Plus Series etc. ^^ Metal clip on the PTT back clips securely onto lapel, collar or tie. Users are easy to adjust. ^^ The 1-Wire Surveillance Earphone can be worn on the left or right ear. Ideal for security, hotels, casinos, restaurants, and more