... or right ear, large speaker for excellent audio loudness. D-Loop Earphone,2-wire Ear Receiver with PTTReplacement For Motorola PMLN5271A, PMLN5271A ... , WADN4223, WADN4224, PMLN5143A, PMLN5141A Earpiece etc...1.Fits Mototrbo radios 2.D-loop earphone can be worn on either right or left ...