DESC: Enjoy affordable, easy-to-use wireless freedom for Bluetooth® phones with the Plantronics Explorer 320 headset. Its comfortable enough to wear all day, with a sleek, lightweight design that fits your style. Explorer 320 is simple to use with one-touch button controls, and weighs only 2/3 of an ounce! It has the longest talk time on the market without recharging, so keeping in touch with friends and family is comfortable and convenient. Compatible with the TREO 650 and the other models listed below.