BOCOOLIFE is an application of Bluetooth hearing aids，It is designed for operating hearing aid devices. It connects to the devices via low - power Bluetooth, allowing real - time monitoring and control. On your phone, you can clearly view the device's battery level at any moment. Adjusting the volume for the left and right ears is a breeze, enabling personalized audio experience. Moreover, you have the flexibility to switch between different working modes and frequencies according to your environment and needs. Simplify your hearing aid management and enjoy seamless auditory adjustments with this user - friendly app.