Connects To: For a professional needing to connect to a PC/Mac using USB-A and/or mobile phone. Compatible with Microsoft Teams and other leading collaboration platforms. Ideal For: Users with extensive PC communication and collaboration use. Audio Performance: Superb Audio Quality - Noise canceling microphone ensures your voice is heard. Audio automatically switches between wideband for telephony & hi-fi stereo for music. SoundGuard DIGITAL protects against sound levels over 118dBA, sudden loud sounds & long-term exposure. Intelligent Features: Enhanced All Day Comfort & Portability - Ultra-soft leatherette ear cushion wrapped around pillow-soft memory foam provide all-day comfort. A lightweight cushioned metal headband offers durability and a comfortable custom fit. Global Warranty & Wearing Style: 2 years global warranty; over the head wearing style with one earpiece.