Casque POLY Blackwire 3320 USB-C

The POLY Blackwire 3320 USB-C Headset is a wired supra-aural headset designed for office and call-center environments. With a slim black head-band design and a 2.18 m cable, it offers a lightweight solution for extended use while maintaining Poly's signature audio quality for clear voice communication.

Advantages

The headset combines a lightweight build and an adjustable head-band for comfortable all-day wear, a wired USB-C connection for reliable audio and simple plug-and-play setup, and audio tuning focused on clear vocal reproduction to support professional calls.

Suitable for

• Office phone and softphone calls
• Contact center and customer support agents
• Remote meetings and conference calls
• Long-duration headset use where comfort and consistent audio are required

Key specifications

• Ear coupling: supra-aural (on-ear)
• Connectivity: wired USB-C
• Cable length: 2.1793 m (approx. 2.18 m)
• Wearing style: head-band
• Weight: 0.13 kg
• Colour: black

How to use

Connect the headset to a compatible USB-C port on a computer or device. Position the ear pads over the ears and adjust the head-band for a secure, comfortable fit. Use the inline controls (if present) or the connected device to manage volume and call functions. Ensure the microphone is positioned near the mouth for optimal voice pickup during calls.

Recommendations

For best voice clarity, connect directly to a device USB-C port rather than through unpowered hubs. Keep the cable free from tight bends and secure the headset when not in use to extend its service life.