Feature: 1. [Ergonomic Design] In-ear hearing aids are made of medical grade silicone and ergonomically designed so they are not easy to fall out. With different ear tip sizes to suit everyone. 2. [Noise Reduction] Headphones for hearing aids with imported chips for excellent sound quality and stable transmission, preventing whistling and reducing noise, ensuring clean sound. 3. [Compact and Light] These earplugs hearing aids are small, lightweight and comfortable to wear. Bionic design is discreet, easy to use and aesthetic to wear. 4. [Hearing Restoration] If you have difficulty hearing well from others, the hearing aid amplifier can help you restore your hearing so you can live the life you're used to. 5. [More pleasure] Rediscover the pleasure of meeting friends and family, feel more confident and make it easier to watch movies, music and TV shows. Specification: Article type: In-ear headphones Hearing aids Material: ABS Maximum sound power: 1154dB HFA gain: 28dB3dB Total harmonic distortion: 5% Frequency range: 350-5000 Hz Noise: 32 dB Current: 2mA Type of hearing aid battery: lithium battery Battery for hearing aids: 25mAh (included) Charging cases without built-in battery, USB charging cable required Package list: 2 x Earplugs Hearing aids 4 x earplugs 1 x brush 2 x cerumen stick 1 x User's Manual 1 x charging cable 1 x charging case