BlueParrott Reveal Pro Brand New Includes One Year Warranty Item # 203835 The BlueParrott Reveal Pro Noise Canceling Mircophone Headset features crystal-clear sound with HD Voice making speech easier to hear and understand and noise cancellation technology that eliminates 90 percent of ambient sounds. Its extendedrange Class 1 bluetooth lets the user keep talking up to 350 feet distance from phone. While its programmable Parrott ButtonTM puts multiple, customizable capabilities at your fingertips. Reveal Pro Headset Features Stereo Bluetooth Headset Long Wireless Range 350 Ft. Crystal Clear Sound With HD Voice and Noise Cancellation Stay Connected with NFC and Bluetooth Extendable Boom Slides Out for Optimal Mic Placement 7 Hours of Talk Time Wireless Freedom Easy Pairing Wearing Style Over The Head On The Ear Behind The Neck Extendable Rigid Mic Boom 150 Hours of Standby Time Micro-USB Charging Interface 100 Hz to 10 kHz Microphone Frequency Response 20 Hz to 20 kHz Speaker Frequency Response Impedance 32 O ? 15% 1 kHz SPL 111.7 dB ? 3 dB at 1 mW