The Poly Blackwire 3325 is a wired stereo (double ear) USB headset for Plug an Play PC connection with additional 3.5mm Jack for connecting to mobile phones and tablets. Stylish and simple to use, the Blackwire 3325 offers best in class voice quality, customisable fit, flexible boom arm and 180-degree pivoting speakers. The Poly Blackwire 3300 series are compatible with windows and Mac operating software. They are suitable for prolonged periods of use thanks to a padded headband, soft ear cushions and lightweight design. Why not pick a headset that looks good, feels good and sounds good? Built for style with the audio quality, comfort and reliability we’re known for, our Blackwire 3300 Series delivers the best value in its category. Connect to any device quickly and easily, and take it with you wherever you go. Boost your on-the-call confidence. All Poly USB headsets and personal speakerphones are compatible with the most popular voice platforms – they just work. Poly solutions provide excellent audio quality for both you and those on the other end of the call – no matter your platform of choice. Compatible with Microsoft Teams, Skype for Business, Zoom, Cisco, Google, Mitel, Rubbon, Avaya, Alcatel Lucent, Amazon AWS Partner Network and many more. Simplicity meets flexibility. Plug-n-play with USB and your favourite device. Robust design delivers reliability you can count on. Plus, Blackwire 3315/3325 models come with leatherette ear cushions, travel pouch and 3.5 mm connector for mobile or tablet. Take calls in-the-office or on-the-go Key Features: USB PC Connection & 3.5mm Jack for Mobile & Tablets Optimised for Unified Communications Noise-Cancelling Microphone Wideband Audio Dynamic EQ and SoundGuard Hearing Protection Digital Signal Processing (DSP) Compatible with Plantronics Manager Pro Software Inline Control: Answer / End / Adjust Volume and Mute Lightweight Metal Headband Durable and Adjustable