1. TWS charging compartment: This hearing aid adopts TWS (True Wireless Stereo) wireless technology and is equipped with a charging compartment. Users can use the charging compartment to charge the hearing aid at any time, saving the trouble of replacing batteries. 2. In-ear type: Hearing aids adopt an in-ear design, which can more accurately deliver sound to the ear cavity, provide a more natural and clearer hearing experience, and be more comfortable to wear. 3. Hearing aid earphones: This hearing aid adopts a dual design, which is both a hearing aid and an earphone. It is suitable for people who need assisted hearing and enjoy music. The function is very practical. 4. Deaf Amplifier: This hearing aid uses amplified sound technology, which can amplify the surrounding sound and provide a clear hearing experience for deaf patients. 5. Versatility: As a smart hearing aid, it also has a variety of functions, such as voice control, digital power display, volume adjustment and noise reduction function, etc.