Sony Tech has officially launched the new WH-1000XM4 flagship headphone in India on Friday. The pricing of the new headphone is slated at Rs.29,990 and will be available on the Amazon India website. Sony WH-1000XM4 headphone features a QN1 noise-canceling processor with a new Bluetooth Audio SoC. The system senses and adjusts music and noise signals. It also includes Personal Noise-Cancelling Optimizer and Atmospheric Pressure Optimizing. Sony WH-1000XM4 can deliver up to 30 hours of battery life in a single charge. It also supports Google Assistant and Alexa voice assistants.