Battery Sold International， a battery of your life!Features:100 % brand new and high quality!With this earpiece you can clip it onto your shirt and begin using your radio with no hands. It has a built in microphone in the PTT switch and a transparent tube connecting the ear bud making you look like a secret service agent or a body guard.Hang up the key / with the response， easy to useStandard 3.5mm plugTransparent flexible acoustic tubeHidden microphone inside PTT switchSoft plastic earbud fits snugly to earOne spare plastic earbud includedSpecifications:Compatible: iPhone， Samsung， HTC， LG， Motorola， HUAWEI， SONY， ZET， etc.Color: Black with transparent acoustic tubingNet weight:56gPacking weight:66gPackage include:1 x Air Tube Headset 1 x plastic earbudPurchasing here， fulfill your dream!