Poly Blackwire 3315 – Single-Ear USB + 3.5mm Headset

The Poly Blackwire 3315 builds on the popular 3310 with one key upgrade: dual connectivity via USB and a 3.5mm jack, giving you the flexibility to connect to your PC, mobile phone, or tablet. It's a comfortable, affordable monaural headset that delivers Poly's signature sound quality for professionals who move between devices throughout the day.

Whether you're switching between your desktop for meetings and your phone for mobile calls, the Blackwire 3315 adapts to whatever device you're using without sacrificing comfort or clarity.

Key Features of Poly Blackwire 3315

Dual Connectivity: USB + 3.5mm
Connect to your PC or Mac via USB-A/USB-C, or use the 3.5mm jack for mobile phones and tablets — one headset covers both scenarios.

Monaural Single-Ear Design
Leaves one ear open so you stay aware of your surroundings — ideal for busy offices or environments where situational awareness matters.

Flexible Noise-Canceling Microphone
A 180-degree pivoting boom lets you position the mic for either ear, with noise cancellation keeping your voice clear on every call.

Dynamic EQ
Automatically optimizes audio settings between call mode and multimedia listening for the best sound in every situation.

All-Day Comfort
A plush, padded headband and pillow-soft ear cushion, combined with a lightweight ~102g build, make it comfortable to wear through full workdays.

Inline Call Controls
Answer/end calls, mute, and adjust volume directly from the inline control module on the cable — no need to reach for your device.

SoundGuard Hearing Protection
Acoustic limiting technology protects your hearing by capping sound levels below 118 dBA.

Certified for UC Platforms
Optimized and certified for Microsoft Teams and Zoom, with a Teams-certified version available featuring a dedicated Teams button.

Specifications

Poly Blackwire 3315 vs Blackwire 3310

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FAQs

Q1: What's the difference between this and the Blackwire 3310?
The 3315 adds a 3.5mm connector alongside USB, letting you connect to mobile phones and tablets in addition to a PC — the 3310 is USB-only.

Q2: Is this a single-ear or double-ear headset?
It's a monaural (single-ear) headset, leaving one ear open so you stay aware of your surroundings.

Q3: Does it work with Microsoft Teams?
Yes, it's certified for Microsoft Teams and also compatible with Zoom and other major softphone platforms.

Q4: Can I use it with my phone?
Yes, the built-in 3.5mm connector lets you use it with mobile phones and tablets, in addition to USB connection for PC/Mac.

Q5: Is it comfortable for all-day wear?
Yes, it features a padded headband and pillow-soft ear cushion, with a lightweight ~102g design built for extended use.