Product Material :ABSHow to use: Refer to User ManualProduct Features :1. Comfortable: not in ear, long time wearing without pain. 2. Healthy: no contact with auditory meatus helps reduce bacterial proliferation.3. Safe: not in ear, easy to hear outside sound at any time, so it is safer to use when you play sports.4. Better communication: open ear design makes you chat and listen to music at the same time.Precautions :1. Do not toss it into fire. 2. Do not use it for a long time, to avoid bad influence on your hearing. 3. Do not use it while driving. 3. Use the product according to the local laws and regulations.Storage Method :Store in a dry and cool place.Shelf life (days),0
