Binaural wearing style covers both ears for increased stability and focus. Adjustable noise-canceling microphone filters out most unwanted background noise making your calls clearer and more professional Best-in-class range of up to 400 feet - walk and talk up to 400 feet from your phone Intelligent Fast Charge means you'll get up to 12 hours of talk time in a one hour charge! Ultra-Comfortable - with a wearing style that covers both ears with soft leatherette ear cushions, the fit is more like a comfy pair of headphones than a headset Adjustable noise-canceling microphone filters out most unwanted background noise making your calls clearer and more professional. Protect your hearing with ActiveGard technology The DW Pro 2 is DECT-based double-sided wireless headset specially designed to meet the needs of all-day users and experienced professionals working in noisy environments. Aimed at professionals who need flexible yet fail-safe wireless solutions that are supremely comfortable to wear and intuitive to use, the DW Pro 2 sets new standards in listening and wearing comfort. Boasting an enviable range of attractive and innovative Sennheiser technologies, this double-sided headset allows users who demand flexible yet fail-safe wireless solutions to perform at their best. The DW Pro 2 comes in dual-connectivity variants (desk phone AND softphone) and single-connectivity variants (desk phone only and softphone only).