The DW Pro1 stands out as a perfect choice for someone who demands a secure and comfortable wireless headset. With an incredible range of up to 400' and 12 hours of talk time on a single charge, you can walk and talk freely - allowing you to be more productive. The DW Pro1 headset offers intuitive design to meet the demands of all-day users and professionals in a noisy environment. Featuring a secure Over-the-Head wearing style coupled with an adjustable fit - the DW Pro1 is a must for someone who is looking for all-day comfort. It features world-renowned Sennheiser sound, something that you will instantly recognize as superior when you turn the headset on. With ActiveGuard technology to protect your ears from sudden spikes in volume and a noise-canceling microphone to filter out unwanted background noise - your calls can stay clear, concise and professional. Not convinced? The DW Pro1 not only works with your office phone, it works with your computer as well. It also works with popular VoIP services like Skype and Google Voice. You can even listen to music between calls.