Advanced Phonak Medical Headphones - The Modern Generation. Specifications: Smart Charging System: Rechargeable headphones. Direct Bluetooth Connection: Supports direct connection with Android and iOS phones. Noise Cancellation Technology: Filters ambient sounds. Equipped with integrated LED lighting to indicate charging and operating status. Smart App for Full Control: You can customize your experience via your phone through the [myPhonak] app. Note to Buyer: The headphones are in excellent condition with all their accessories and original box.