7.1 Surround Sound Ultra-Light Comfort and Surround Sound Oval Ear Cushions and Adjustable Headband Slider Bendable Cardioid Microphone Custom-Tuned 40mm Drivers 3.5mm Connection. 7.1 Surround Sound. Ultra-Light Comfort and Surround Sound. 1.3m cord length with 1.3m extension. Adjustable headband. 3.5mm jack with . 40mm driver. General information:(not included). Manufacturer’s 2 year guarantee. EAN: 8886419378082.