Aumeo Audio Tailored Audio Device and Headphone Personalizer, Bluetooth / 3.5mm Audio Dongle for iPhone, Android and More - Silver Audio tailoring technology that customizes music to your ears' unique sensitivity Easy-to-use companion app (iOS and android): Create your audio profile in 2 minutes Audio input can be connected wirelessly or with 3. 5mm audio cable Includes apt technology for high quality wireless audio Ideal for headphone users and music lovers, but can be used with most media players