Brand Sony Colour Blue Ear placement Over Ear Form factor Over Ear Impedance 325 Ohm About this item The lightest wireless on-ear noise cancelling headphones Sony. Take noise cancellation to the next level with Sony's built-in V1 processor, so you can fully immerse yourself in music. Up to 35hr battery life with fast charging (3 min charge gives you up to 1 hour playback) Multi-point connection allows you to quickly switch between 2 devices at the same time.