Poly Blackwire 3325 Stereo USB-C Headset +3.5mm Plug +USB-C/A Adapter (8X221AA)(8X222AA)

• 8X221AA – NO ❌ Microsoft Teams Certified
• 8X222AA – ✅ With Microsoft Teams Certified

🔗 Connectivity

• 3.5 mm audio jack for mobile/tablets

• Wired – no battery required

🖥️ Compatibility

• Compatible with PCs, tablets, and mobile devices

• Operating Systems: Windows 11, Windows 10, macOS, Android™, iOS

🎤 Microphone

• Type: Noise cancelling

• Sensitivity: 11 dB SLR

• Bandwidth: 100 Hz to 10 kHz

• Signal-to-noise ratio: >24 dB

• Boom length: 135 mm

• Rotation: 280°

🔈 Speaker

• Size: 32 mm

• Bandwidth: 20 Hz to 20 kHz

• Sensitivity: 3 dB RLR

• Impedance: 32 ohms

• Nominal sound pressure: 94 dB SPL

• Ear cushions: Artificial leather

🧩 User Controls

• Call answer/end

• Mute

• Volume + / −

📦 What’s in the Box

• Headset

• USB Type-C to USB Type-A adapter

• Travel case

• User guide

📏 Cable Length

• 66.5 cm (inline module to headset)

• 90 cm (USB to inline module)

• 215 cm total (USB to headset)

⚖️ Weight

• Headset: 131 g

• Package: 300 g

🛡️ Warranty

• Poly standard two-year limited warranty