It is a hearing enhancer as well as true wireless stereo (TWS) earbuds. The design was inspired by the auspicious form of a flamingo, and the charger was designed to resemble the bird's egg. This device is helpful for people aged 30–60s with mild to moderate hearing loss. You can listen to sounds clearly even in noisy environments and the hearing enhancer mode can be used without a smartphone. Since it closely resembles TWS earbuds, people will not be reluctant to wear it. Also, it includes a self-fitting function with the smartphone app and implements hearing enhancer functions optimized at 4 different environments through AI.