Zeadio Air Tube Covert Earpiece Headset with Finger PTT for 2 PIN Motorola Radio Mv11 Mv11c Mv11cv Mv12 Mv12cv Mv21c Mv21cv Mv22 Mv22cv Mv24cvs Etc. With Finger PTT Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments Durable and thick cable, designed for tough environment Air Tube Covert Earpiece Headset with built-in line microphone This headset is for the Motorola radios and many more that require standard 2 Pin