Wireless open-ear headphones, lightweight at approximately 9.5g for a comfortable fit. You can talk to family and pets while wearing the earphones. Because they don't cover your ears, you can hear calls from family members, etc. You can have conversations while wearing the earphones. Perfect for online meetings. Stress-free for long periods. Equipped with PSZ technology to suppress sound leakage, so you can use them without worry in the office or quiet places. Of course, a microphone is also included. No pressure on the ears and less stuffiness. Even though they're earphones, it's like a speaker. A 12mm diameter driver optimized for open-ear design. It uses a carbon fiber diaphragm, which is responsible for rich tones, to achieve clear mid-high frequencies, contoured bass, and a premium sound with a sense of spaciousness. Developed by NTT, equipped with sound leakage suppression PSZ technology Equipped with proprietary PSZ (Personalized Sound Zone) technology. It suppresses "sound leakage," which was a weakness of open-ear headphones, allowing those around you to also enjoy a comfortable experience. Thank you for viewing.