Jabra EarWave Boom with Universal 2.5mm connector (Discontinued by Manufacturer) Ultra-lightweight design, unbeatable comfort, breakthrough styling. Outstanding voice clarity and noise-canceling microphone. Low-profile earpiece fits snugly behind the ear for a discreet look. JABRA MiniGels channel sound for great reception and pivot for use in either ear. Includes one EarWave Boom headset with 4ft. (1.2m) cord and four MiniGels -- two standard and two small.