KENMAX Air Covert Acoustic Tube Earpiece Headset with Built-in Line Mic PTT(Push To Talk) + Earplugs for Motorola XPR6380 XPR6500 XiRP8268 DP3401 DP3600 DP3601 Transparent tube SPK has excellent concealment which makes communication more private Durable polyurethane earhook & PTT buttton for long time usingProvides excellent durability, reliability and performance in low-profile environment. Nipple Style makes it more comfortable to wear, better materials and components made earpiece and PTT allows longer time use. Super Quality,more stubborn and durable;Big size PTT, wearing gloves does not affect the key operation;Hidden microphone is located in the side of PTT switch The transparent tube connecting the ear bud makes you look like a secret service agent or a body guard and protects your health from radio electromagnetic wave radiation