Headset POLY Blackwire 3215

The POLY Blackwire 3215 is a wired supra-aural headset designed for calls and music. It delivers a frequency range of 20–20,000 Hz for clear audio reproduction and weighs 118 g for comfortable extended wear. The headset connects to modern devices via USB Type-C and offers 3.5 mm connectivity on C3215/C3225 models, providing flexible connection options for PC and mobile devices.

Advantages

The Blackwire 3215 supports A2DP for stereo audio and includes noise-cancellation and wideband audio to improve speech clarity. Built-in digital signal processing and SoundGuard hearing protection help maintain safe listening levels. Inline controls for answer/end, volume and mute simplify call handling, and the headset is optimized for improved performance in noisy environments.

Suitable for

• Voice calls and video conferencing
• Listening to music and multimedia
• Use with PC via USB Type-C
• Use with compatible devices via 3.5 mm jack (C3215/C3225)

Key specifications

• Frequency range: 20 – 20,000 Hz
• Connectivity: Wired, USB Type-C (PC), 3.5 mm on C3215/C3225
• Weight: 118 g
• Ear coupling: Supra-aural
• Features: A2DP, Noise-cancellation, Wideband Audio, Digital Signal Processing, SoundGuard
• Inline controls: Answer/end, volume control, mute

How to use

Connect the headset to your device using the USB Type-C connector or the 3.5 mm jack on supported models. Put the head-band over your head so the supra-aural ear cups rest comfortably on your ears. Use the inline controls to answer or end calls, adjust volume, and mute the microphone as needed. Ensure the microphone is positioned correctly for optimal voice pickup.

Recommendations

For the best call quality, connect to a PC with USB Type-C and enable wideband audio in your communication application. Keep volume at a moderate level to let SoundGuard protect against sudden loud sounds and to preserve hearing comfort during extended use.