UniQue USB On Ear Stereo Headset With Microphone- Ideal For Online Learning Applications, PC Gaming And Call Centres, In-Line Volume Control, Speaker Diameter 40mm, Impedance: 32Ω, Leatherette Cushioned On Ear Cups , Omnidirectional Microphone , USB Interface , Cable Length 2.1 Metre, Retail Box , 1 year Limited Warranty