Lightweight and eco-friendly bone conduction headphones with an open-ear design for comfortable use. Unused, brand new (although there is a tear on the bottom of the box, it has not been opened). I am selling these because I bought a different pair. - Type: Bone conduction headphones - Color: Black - Features: Lightweight, made with eco-friendly materials - Function: Heating protection - Intended use: Open-ear design Thank you for looking.