Do All Outdoors Earshield 2 Channel Digital BteDo All Outdoors EarShield 2 Channel Digital BTE-Behind The Ear Hearing Enhancer combines ease of useFeatures of Do All Outdoors Earshield 2 Channel Digital Bte 2 digital channels for an amazing 40dB of gainLeft and right fitted sound tubesDual layer foam tips for better feel and protectionNoise reducti..