How to minimize the damage to the ear by earphone? Recommended bluetooth earphone without bone conduction

Due to the unique sound principle, bone conduction earphones do not need ear plug to listen and have good performance in hearing protection. However, bone conduction earphones can only prevent and protect hearing from further damage or greatly reduce the degree of damage. Bone conduction earphones cannot treat this, which needs to be made clear.If… Read more How to minimize the damage to the ear by earphone? Recommended bluetooth earphone without bone conduction