1、Intelligent noise reduction, analysis and processing of various environmental scenes sound, to remove noise, more clear. 2、Comfortable to wear, using TPE soft silicone, ear hook humanized curvature design, more comfortable. 3、Adjustable volume, you can turn up the volume from low to high to meet your need. 4、Easy to operate, helping you regain the pleasure of enjoying music, movies and TV programs. Features: This mini sound amplifier will offer you precise sound amplification. Automatically filter external noise to make the sound more realistic. Reliable quality, made of user-friendly material, flexible, safe to wear without harming ear canal. Easy to operate, helping you regain the pleasure of enjoying music, movies and TV programs. Adjustable volume, you can turn up the volume from low to high to meet your need. Intelligent noise reduction, analysis and processing of various environmental scenes sound, to remove noise, more clear. Comfortable to wear, using TPE soft silicone, ear hook humanized curvature design, more comfortable. Specifications: Color: Beige, Blue, Black (Optional) Cell: 60mah Charging time: 3-4hours Working time: 60 hours Packag size: 155 * 95 * 40mm Package weight: 200g Package List: 1 * Sound amplifier 1 * Storage case 4 * Earplugs 1 * Small Brush 1 * Charging Cable 1 * Sound amplifier 1 * Storage case 4 * Earplugs 1 * Small Brush 1 * Charging Cable