Brand Hoco Model Name W21 Colour Grey Form Factor Over Ear Connectivity Technology Wired About This Item Speaker: 40Mm Rated Power: 10Mw; Maximum Input Power: 50Mw Audio Plug: Ø3.5Mm Earphones Cable: High Elastic Braid , Cable Length: 1.2M Microphone: Controller With Mic , Wire Control: One-Button Operation Control