Product Name: Baofeng Ear Hanger Walkie Talkie Earphone Headset for Two Way Radio with Ptt Model NO.: K1 Jack Type: Plug-in Jack Diameter: 3.5mm Function: Infrared, Noise-Cancelling Usage: Portable Media Player Type: Electrostatic Headphones Color: Black Wire Material: PU Trademark: OEM Transport Package: Single Item Origin: China Product Description Baofeng Ear Hanger Walkie Talkie Earphone headset for Two Way Radio with PTTProduct Description:Two-pin standard diameter : Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin).By adjusting the earplug in the ear hook can be adjusted to the most comfortable orientation, and the earbud fits snugly in the left or right ear with easy and keeps your conversations private.Earplug can be rotated left and right ears and wear comfortably.Has a remote microphone with push to talk button you can clip anywhere.Related sites : nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conventions , concerts,warehouses, and noisy environmentsApplicable Models-KPG27D, KPG29D,KPG48D, KPG49, KPG55D, KPG56D,-KPG62D, KPG66D, KPG69D, KPG70D,KPG74D, KPG75D,-KPG77D, KPG82D, KPG87D-Almost All: UV5R, BF-480/490/320/V6/V7/V8/658/520/530/999/888/777/666S/777S/888S