_x000D_Applications:_x000D_Relevant personnel : police, military, bouncer, and businessman_x000D_Related sites :_x000D_Nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conventions , concerts,warehouses, and noisy environments._x000D_Earpiece:Single_x000D_Earpiece Design:Ear-Cup (Over the Ear)_x000D_Fit Design:Ear-Hook_x000D_Two-pin standard diameter : Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin)_x000D_Space of two-pin:11mm_x000D_Color: Black_x000D_Package include:_x000D_1*for Baofeng Two Way Radio earpiece earphone_x000D_Note:_x000D_1.Please allow 0.1-0.3cm differences due to manual measurement, thanks._x000D_2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.