Awen+ Handheld Speaker Mic Shoulder Microphone for Motorola CB Radio PMR446 PR400 Mag One BPR40 A8 EP450 AU1200 GP88 CP88 CP040 CP100 CP125 CP140 etc. Talk and listen without ever HOLDING your radio! Push-To-Talk button and microphone are located on the accessory for quick and easy use The speaker microphone has an small iron clip on the back, so, not only can you hold it on your hand but also can hung it on your shoulder or arms when patrolling to free your hands Popularly used in police & security personnel, and mostly used for patrol duty, large team activities, business activities and senior entertainment venues.