Open-ear design bone conduction headphones, offering a lightweight and comfortable fit. Thank you for viewing. Perfect for those who want to try bone conduction headphones入門的に (as an entry point) with a focus on cost performance. Please be aware that the vibration becomes stronger if you turn up the volume too high. While not as high-end as premium bone conduction headphones, they are perfectly usable. - Model: Bone Conduction Headphones - Color: Black - Accessories: User manual, charging cable, earplugs - Features: Open-ear design, lightweight, comfort - Safety: Allows you to hear ambient sounds while in use Used about 5 times, and the earplugs are unused.