Further features include a low battery warning, an on-the-go charging case, and integrated phone call functionality. ● Whistle suppression. ● App hearing evaluation. ● Bluetooth audio. ● Phone calling through devices.

Further features include a low battery warning, an on-the-go charging case, and integrated phone call functionality. ● Whistle suppression. ● App hearing evaluation. ● Bluetooth audio. ● Phone calling through devices.