[Hearing Protection; 85/94 dB Adjustable Volume Limit]: 32 million children worldwide suffer from hearing loss, 60% of which can be prevented. In daily environment, Nabevi headphone for kids limits the volume to 85dB, which can effectively avoid the damage to hearing caused by prolonged exposure to high-decibel sound. In a noisy environment, volume limit can be changed to 94dB, your kids can hear more clearly and get hearing protection at the same time. [Silence for Parents]: Wearing earphones that protect hearing, children can focus on their online classes, games, movies, animations, etc., and parents can continue to do their own things in a relatively quiet environment. Whether on a plane, car, train, or at home, parents and children can do their own thing without interfering with each other. [Built-in Microphone; High Quality Sound]: Nabevi kids headphones with microphone is convenient for online learning and communication. Outstanding sound quality created by its