[Noise Reduction & Clear Sound] Coniler Vivo 202 Hearing Amplifier with Digital Noise Reduction, Adaptive Dual Directional Microphones Work Together to Help You Hear Clearly in Complex Listening Environment, the Microphones Provide Better Background Noise Reduction Compared to Aids with a Single Microphone. Our Amplifier Is Also Equipped with an Advanced Digital Sound Processor Chip Determines Which Direction the Sound Comes from, Allows You to Focus Clearly on the Conversation That Matters Most [Ultra-Lightweight] Extreme Lightweight and Small as a BTE Hearing Amplifier Fits Discreetly and Nearly Invisible Behind the Ear. Making It Comfortable to Wear. So Comfortable that User Might Forget They Are Wearing the Device. [Safe & Fast Charging] Type C Charging Dock with Magnetic Sockets. Just Put and Charge. Full Charge Takes 2.5-3.5 Hours, Working Time Lasts up to 20 Hours(Actual Working Time Varies Depending on Modes and Volume Selected) Automatically Stop Charging Once the Aid Is Fully Charged. [Easy to Use] Vivo 202 Hearing Device Has Smart Memory Switch Function, Which Means It Will Stay in the Same Mode and Volume Level as the Last Time Used. Save Your Time from Setting Your Aid Every Time. Simple Button Design, One Button for the Volume Control, and the Other One Is for Power Button and Mode Switch. There Are 2 Modes for Quiet and Loud Environments. Comes with Different Sorts of Ear Domes and Sound Tubes to Ensure a Perfect Fit for Most of People with Different Ear Shapes.