Retevis 2 Pin Throat Mic Earpiece Acoustic Tube Headset Earpiece Compatible Motorola CP200 PR400 CLS1110 CLS1410 CT450LS GP300 GP2000 P1225 Walkie Talkies (1 Pack) 2 pin throat mic microphone two way radio earpiece headset with mic and finger PTT for security door supervisor; the transparent security headset only work with Motorola talkabout The microphone transmits directly from your throat; so it is not sensitive to the background noise High quality transparent acoustic tube could hardly be detected by people around you for private conversations; and protects your health from radio electromagnetic wave radiation With the finger PTT; youll totally get handsfree calls; thats comfortable and easy to control for indoor or outdoor sport activities; such as driving; hunting; cycling airsoft games;running; cycling etc Simple and Convenient return process; 60 days warranty provide by us and 30 days no reason to return