1. Mini size, Bluetooth earphone appearance, different from old , wearing it will not make people notice anything unusual.1. Mini size, Bluetooth earphone appearance, different from old , wearing it will not make people notice anything unusual.1. Mini size, Bluetooth earphone appearance, different from old , wearing it will not make people notice anything unusual.1. Mini size, Bluetooth earphone appearance, different from old , wearing it will not make people notice anything unusual.2. The latest chip achieves hearing aid function in the size of mini Bluetooth earphones, helping people with hearing impairments to hear sound normally.2. The latest chip achieves hearing aid function in the size of mini Bluetooth earphones, helping people with hearing impairments to hear sound normally.2. The latest chip achieves hearing aid function in the size of mini Bluetooth earphones, helping people with hearing impairments to hear sound normally.2. The latest chip achieves hearing aid function in the size of mini Bluetooth earphones, helping people with hearing impairments to hear sound normally.3. Multi level volume adjustment, which can adjust the required hearing aid volume level according to needs. After wearing and turning on the device, double-click/triple tap to adjust the volume level.3. Multi level volume adjustment, which can adjust the required hearing aid volume level according to needs. After wearing and turning on the device, double-click/triple tap to adjust the volume level.3. Multi level volume adjustment, which can adjust the required hearing aid volume level according to needs. After wearing and turning on the device, double-click/triple tap to adjust the volume level.4. It automatically enters hearing aid mode when turned on, which is very convenient to use and more friendly to elderly users.4. It automatically enters hearing aid mode when turned on, which is very convenient to use and more friendly to elderly users.4. It automatically enters hearing aid mode when turned on, which is very convenient to use and more friendly to elderly users.4. It automatically enters hearing aid mode when turned on, which is very convenient to use and more friendly to elderly users.4. It automatically enters hearing aid mode when turned on, which is very convenient to use and more friendly to elderly users.5. It is also a Bluetooth earphone, and after turning on, long press to switch to Bluetooth mode. Please note that the Bluetooth earphone mode only supports one ear. In hearing aid mode, two earphones can be purchased for simultaneous use.5. It is also a Bluetooth earphone, and after turning on, long press to switch to Bluetooth mode. Please note that the Bluetooth earphone mode only supports one ear. In hearing aid mode, two earphones can be purchased for simultaneous use.