Sony Group Corporation has recently filed (and passed) FCC Certification for WF-1000XM4 – Wireless Noise Canceling Stereo Headset YY2948. Certification has been filed under the code name of FCC ID AK8YY2948. Sony WF-1000XM4 Wireless Noise Canceling Stereo Headset will be the successor of WF-1000XM3. Earlier today Sony LSPX-S3 Glass Sound Speaker also passed FCC certification