Rand McNally ClearDryve 180, 2-in-1 Bluetooth Headphone/Headset with Active Noise Cancellation, Digital Signal Processing and Custom EQ Settings, Silver Box content:ClearDryve 180 HeadsetAudio cableCharging cableHard-sided carrying caseDetachable ear cup (comes pre-assembled)Detachable side pad. DescriptionClearDryve 180 is one of the first Bluetooth® headsets for truckers that converts from a single-ear headset to dual-ear headphones in one simple switch. Just remove the side pad and replace with the second ear cup for a complete pair of wireless headphones. A flexible boom mic lets your callers hear you more clearly and swings out of the way when not in use. ClearDryve 180's voice assistance provides convenient, hands-free communication on the road, while active noise cancellation and EQ settings create a better listening experience. Superior soundBlock external noise with the push of a button. ClearDryve 180's ANC (Active Noise Cancellation) button enables digital signal processing to remove background noise for uninterrupted, crystal clear sound — even in a noisy truck cab. This noise-cancelling headset uses a dual microphone system to actively cancel more than 90% of background noise, so your callers can hear you more clearly.EQ settingsToggle between five different equalization settings based on what you're listening to. These presets adjust frequencies for optimal sound, whether you're rocking out to music, on a phone call, or listening to podcasts and audio books.