Features & details * 1.【Designed for People with Mild Hearing Impaired】Bone conduction headphones amplifier is designed for middle-aged and elderly people with mild hearing impairment, can easily solve the problem of hearing loss due to conductive hearing damage, highlighting the human voice，making communication more fluent and the call sound quality clearer; No need for external sound pickup, the volume can be adjusted independently according to the need, it will not affect when watching TV with other people. * 2.【Bone Conduction Technology】Using the latest bone conduction technology, so that the sound waves can be transmitted through the bone to the inner ear, without the need to enter the ear to hear clear sound, effectively reducing the damage to the eardrum and the inner ear, suitable for person with conductive hearing impairment to use. * 3.【Amplifier Mode & Bluetooth Mode】Amplified Mode is designed for middle-aged and elderly people with mild hearing impairments, with up to 6 hours of use time and clear audio for better communication; Bluetooth V5.3 provides a more stable and faster connection for up to 10 hours of daily calls and music enjoyment.