Functions :
Industry-leading noise cancellation1 – now even better, Integrated Processor V1, High performance dual noise sensor microphones, Minimising wind noise,Noise Isolation Earbud Tips, New 6mm driver unit ,Enjoy High-Resolution Audio without wires, You can enjoy a full working day of charge – 8 hours – from your headphones and store another 16 hours in the case. That means a full 24 hours9 of listening time every time you leave the house. In a hurry? Just a 5 minute quick charge gives you up to 60 minutes of play time and the Sony | Headphones Connect app will even notify you when your charging case drops below 30%..