Handspring 3192WW hands free, ear bud style headset is specifically designed to fit Handspring Treo 650 cell-phone models! Factory original Handspring 3192WW headset weighs less than 1 ounce! Sleek ear bud headset design fits snugly into the ear! In-line microphone/ mic reduces background noise, & increases the volume of your voice. Molded audio adapter is integrated in-line, to eliminate static connections. Drive more safely with both hands on the wheel! Also has a miniature clip to keep the cord in place.