2-in-1 Design: Converts quickly from Driver Mode (single ear, 4.3 oz) to Media Mode (dual stereo ears, 5.3 oz).Noise Cancellation: Advanced technology blocks out heavy background cabin and road noise.Microphone: Flexible adjustable boom mic with an integrated mute function.Battery Life: Delivers long-lasting talk time for extended on-the-road shifts.Included Accessories: Comes with a hard-shell carrying case, charging kit, and an extra earpiece.