Feature: 1. Clear Sound: This earphones features clear sound quality, low power consumption, low distortion, natural sound. No matter at home or in the noisy street, you can clearly hear all the sound. 2. No Load Wearing: The earphone body is designed according to ergonomics, small and beautiful, without weight bearing. 3. Silicone Material: The earplugs are made of food grade silicone material, which is easy to remove and wear. They are skin friendly and environmentally friendly without hurting the ears. 4. Programmable: The deaf ear amplification equipment adopts advanced programmable intensifier technology, which can amplify speech while reducing unnecessary background noise, thus bringing excellent sound quality performance and making the sound natural. 5. Long Lasting Work: The earplugs can work for a long time after 1 charge. No need to charge frequently, very practical! Specification: Item Type: Hearing Aids Material: ABS, Silicone Power Supply: 1 x A13 battery (delivered without battery) Product Features: Small and convenient, clear sound quality, intelligent noise reduction, and ear comfortable.. Package List: 1 x Storage Box1 x Sound Amplifier1 x Manual 1 x Screwdriver 1 x Cleaning Brush 2 x Earplug