Thank you for viewing! This is a rechargeable hearing aid that can be used in either the left or right ear. It supports more comfortable communication and activities in daily life. Universal for Left and Right Ears & Over-the-Ear: Easy to wear just by putting it over your ear, and it can be used for either the left or right ear. USB Charging and Easy Operation: Supports USB charging, allowing for long-term use. It has two modes and is easy to operate with a rotary volume control. Color: The box says silver, but the actual product is closer to champagne gold. Set Contents: Hearing aid main unit Earplugs x3 USB cable Cleaning brush