Retevis Flexible Throat Mic Covert Acoustic Tube Earpiece Headset Finger&nbsp;PTT 2 Pin for Kenwood Pro-Talk XLS TK Retevis H-777 / Baofeng UV5R 888S/TYT 2 Way Radio(10 Pack) Throat mic is adjustable from 4 to 5 inches (10.5-13 cm):Flexible throat microphone wraps around neck and transmits from vibrations in the throat Finger PTT: Two-wire design allows Push-to-talk button to be attached to finger for ultimate convenience Clear surveillance style tube wraps behind the ear with earpiece fitting securely inside the ear Ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles,paintball / airsoft setting;It is also widely used in discreet communications 45 Days Warranty: Any quality issue on the item you got, such as defective, please contact us for free replacement