Moreover, HDFC Bank credit/ debit card users can get an additional 10% instant discount up to Rs 2,000 on the Sony WH-1000XM4. It will further bring the price down to Rs. 20,990, and that’s an excellent deal in our books. The Sony WH-1000XM4 headphones offer good noise cancellation, built-in Alexa support, a Transparency mode, wear detection, touch controls, and up to 30 hours of battery life, among other things.