https://www.resound.com/-/media/resound/resound-international/front-page/help/hearing-aids/up-smart/rs-up-smart-88-plastic-hook-led-monza-red-led_support.ashx?w=700&amp;usecustomfunctions=1&amp;centercrop=1&amp;hash=0D8B80B03C6CECFC0887C19497440992E6D78361