The Sony WF-1000XM4 is the highly-awaited successor to the popular WF-1000XM3 noise-cancelling earbuds. Priced at Rs 19,990, the Sony WF-1000XM4 come with a new and improved design, Sony's V1 chip, LDAC codec support, Qi wireless charging, and IPX4 rating. The Sony WF-1000XM4 is supported on the Sony Headphones Connect app that gives users granular controls over the buds. The earbuds compete with other premium noise-cancelling TWS such as the AirPods Pro, Jabra Elite 7 Pro, Sennheiser Momentum True Wireless 2 and others. How do these premium earbuds perform? Find out in this review. For the full, detailed review, visit our website – digit.in.