Sony CRE-C20 Self-Fitting Rechargeable IP68-Rated OTC Hearing Aid with Discreet Design The Sony CRE-C20 Self-Fitting OTC Hearing Aid offers the latest in sound technology packed in a rechargeable, discreet, modern design for improved all-day hearing. The CRE-C20’s latest technology improves access to sounds and prioritizes speech clarity while maintaining awareness of surrounding noises. This enables you to focus on conversations and still enjoy a rich listening experience. Sony, a leader in audio technology and WSA, with decades of leadership in delivering cutting-edge hearing aid innovation come together to deliver this world-class hearing aid. The CRE-C20 is one of the most discreet OTC hearing aids on the market, almost invisible, fitting comfortably and completely inside the ear canal. New sleeve styles make it easy to insert, remove, and find the best fit for your ear. The latest in professional-grade sound technology provides improved sound clarity and a more full and rich listening experience. It helps to deliver enhanced access to sounds, automatic noise balancing to prioritize speech clarity, and an advanced self-fitting process to better tailor your listening experience. The CRE-C20 has a built-in rechargeable battery that delivers up to 28 hours of continuous use from a full charge, delivering convenient and reliable hearing all day, every day.