Plantronics Stereo Handsfree Earbuds for Palm Centro 685 / 690 / Treo 300 / 600 / 650 / 680 / 700p / 700w / 700wx / 750 / 755p - Includes TWO Bonus Personal Charm Straps! Comfortable, stable, high quality universal earbud. Clip on design to your earlobe to hold headset in place You can use the 3.5mm plug for media devices Inline volume controls Noise cancelling technology