Sony has launched it's latest wireless audio product--the WF-1000XM4 TWS earbuds. The new iteration feature a more rounded and compact design than the previous generation. The WF-1000XM4 are also the first buds in the world that are claimed to support Hi-Res audio over the LDAC codec. There's also support for 360 Reality Audio, and the Sony V1 processor bring improvements to active noise cancellation. The driver units have been redesigned and use improved 24-bit amps, and proprietary polyurethane foam tips provide better passive noise isolation. The WF-1000XM4s also come with a "Speak-to-Chat" feature, offer better battery life, and also support Qi wireless charging. The Sony WF-1000XM4 earbuds have been priced at $280 in the US, but Indian pricing and availability is yet to be announced.