4.33 x 4.33 x 1.97 inches

USB HEADSET: Hi-fi stereo USB headset with microphone (Blackwire 3220) for those who want a richer, immersive experience.
SIMPLE DESIGN: Microphone headset allows you to easily manage calls from PC using USB-C type connection, and inline controls let you answer/end, mute, and control the volume of PC calls with ease.
SECURE FIT: Plantronics Blackwire headset features a lightweight metal headband for durability and a custom, comfortable fit.