The earsopen SS900 was released in Aug, 2022 at the price of $132 (¥15,000). The earsopen SS900 uses Bluetooth 5.2 with support for AAC, aptX, SBC codecs.
The earsopen SS900 can last up to 8 hours between charges, according to earsopen.
The earsopen SS900 are open earbuds that won't block or cover your ear canals while wearing. They drive the sound to your ear with bone conduction tech.