Enjoy clear conversations with a hearing aid that feels practically invisible. Designed to sit deep inside your ear canal, Core One Pro's blend in so well, no one will notice. You can focus on what matters - the conversation. Precision-shaped to match your ear's natural contours and 30° canal curve, they stay snug without pressure points.Good to know- The Knowles Hi-Fi Speaker makes voices sound natural and vibrant, so every word feels effortless- At just 1 gram, it's so light you'll forget it's there - until you hear the difference- You get up to 20 hours of battery life on a single charge and up to 80 hours with the charging case- They're waterproof and dustproof so they can keep up with your day-to-day- Keep the hearing aids clean and in tip-top shape with the included cleaning tool