Model: H540 USB HEADSETPart Number: 981-000482Product Details : Compatible to : Windows®, macOS®, or ChromeOS™ and popular calling platforms.Certified Works With Chromebook™.USB portDimensionsHeight: 7.09 in (180 mm)Width: 9.65 in (245 mm)Depth: 3.07 in (78 mm)Weight: 4.23 oz ..