Jawbone 2 Bluetooth headset - Gold The invisible button policy at Jawbone accomplishes a clutter-free look. Touch-surface technology allows the user to operate switches by lightly pressing the outside shield Constructed with ultra-smooth medical-grade plastic, the Jawbone 2 also comes with optional fine leather earloops Comprised of an outer shield and inner surface, the Jawbone 2 experience is two-fold. The outer shield is curved and rectilinear and is visually appealing with a three-dimensional texture representative of noise abatement surfaces. The inner surface that gently touches the face creates contact with the Voice Activity Sensor, and is gently curved to be ergonomic and comfortable on the skin