The Realme Buds Q are TWS earbuds that launched for about US$30 in 2020. Now, the Federal Communications Commission (FCC) has inadvertently confirmed that their second generation is likely to launch soon. They have been registered as Bluetooth devices with black and fluorescent green colorways.
https://www.notebookcheck.net/The-apparently-neon-green-Realme-Buds-Q2-are-cleared-for-launch-by-the-FCC.516746.0.html