In-the-Canal (ITC) hearing aids are custom-molded devices designed to fit partly inside the ear canal, offering a balanced combination of cosmetic discretion and functional versatility. Compared to smaller models, the larger housing of an ITC device allows for dual directional microphones to improve speech understanding in noise, alongside convenient manual controls for volume and program adjustments. Today's advanced ITC devices frequently incorporate Bluetooth technology for direct audio streaming from smartphones and TVs, while offering extended battery life in both rechargeable and disposable options. This makes ITC hearing aids ideal for users with mild-to-severe hearing loss who prioritize wireless connectivity, easy physical handling, and longer daily performance over total invisibility.