The Plantronics Blackwire 7225 is a corded boomless USB headset to help block out noise and boost productivity. The Blackwire 7225 not only allows softphone communcations on your PC or laptop, it's also a great headset for Hi-Fi stereo music.  It's also equiped with active noise canceling (ANC) that will reduces background noise for the speaker. The new boomless design meets office professionals� needs for a stylish headset that looks and sounds great for listening to media or collaborating on voice or video calls. One-touch call and media controls are easily accessible on the headset, making it simple for users to switch from concentration to collaboration on the spot.

Key Features:

• On-demand active- and passive-noise canceling block out background nose to focus on your call or work
• Soft leatherette ear cushions for all-day comfort
• In-line controls to answer/end calls, mute and adjust volume
• Dynamic EQ feature optimizes your voice quality when on calls and automatically adjusts the EQ settings when you�re listening to music
• Certified for Major UC applications and softphones from Avaya, Cisco, Microsoft Skype for Business and Microsoft Teams
• Plantronics software offers customization and value-added features, such as device and language settings and firmware update
• Soft travel case included
• Two (2) year limited warranty

For more detail information, see Plantronics Blackwire 7225 datasheet 

Plantronics Blackwire 7225 Headset Quick Specs:

• Wearing Style: over the head
• Microphones: 4x omni-directional microphones in earcups
• Speaker Frequency Range: 20 Hz - 20 kHz

Plantronics Blackwire 7225 USB-A Headset Package Contents:

• Plantronics Blackwire 7225 Headset in Black
• Carrying Case