Sennheiser All-Day Clear Slim OTC hearing aids let you hear the world anew, whether you are participating in a conversation or streaming your favorite entertainment. The conveniently self-programmable Over-The-Counter (OTC) hearing aids combine all-day wearing comfort with a clear, vibrant hearing performance in everyday situations for adults with perceived mild to moderate hearing loss. A unique design with an earbud-style receiver sitting outside the ear canal and an adjustable forming wire fits virtually any ear with all-day comfort. The Bluetooth connection allows for hands-free phone calls (compatible with iOS and Android) and facilitates streaming from your preferred devices. Its 21-hour rechargeable battery life supports you throughout the day. All-Day Clear Slim offers a convenient user experience right out of the box. The companion app makes it easy to set up your hearing aids within minutes; no appointments or professional support is required. Enjoy in-the-moment controls, fine-tuning with wind noise reduction, and a 3-band equalizer via the app. These OTC hearing aids are endorsed by hearing care professionals. The Sennheiser brand has been perfecting audio technology for over 75 years. All-Day Clear Slim builds upon that legacy to help give back confidence to people with perceived mild to moderate hearing loss.