Ultra-sensitive, noise-canceling microphone delivers full spectrum of human voice Bonus software includes leading speech and voice recognition software and a robust MP3 player Constructed with new lightweight materials for ultimate all-day comfort PerSono Audio Control Center Software for easy, precise control of audio quality Digital Signal Processor (DSP) provides full-range digital audio QuickAdjust microphone boom allows user to easily position microphone for greater performance and accuracy Cool design strongly appeals to gamers (Plantronics consumer testing) 40mm speakers provide greater bass response Choose a link from this drop down box Amplifiers -M12 Vista Telephone Headset Amplifier -CA10 Cordless Telephone -MX10 Headset Switcher Adapter -A20 Telephone Headset Amplifier -P10 Plug Prong Adapter -S10 Telephone Headset System -T10 Headset Telephone -T20 Headset Telephone Headsets-Home & Office -Mirage H41 H41N -Supra H51 H51N H61 H61N -TriStar H81 H81N -Encore H91 H91N H101 H101N -H131N Freehand -DuoSet H141 H141N Cordless Phones Mobile Adapters Mobile Headsets M114 M124 M145 Computer Headsets Analog Computer Headsets Digital Accessories - Parts Low Priced Specials Refurbished Product 2 Year Warranty All product shipped within 24 hours ($50.00 minmum) - FREE OF CHARGE The Headset Guy PO Box 131791 Carlsbad, CA 92013 Phone: (888) 793-8976 This Web site is run by a distributor of Plantronics® products and is not otherwise affiliated with Plantronics®, Inc.