Small and light weight, easy to use for a long time.Solid color design makes it more fashionableThe nose is made of rubber, brings you more comfort.Auto alarm when the user's head is leaning for 15-25 degreesEspecially suitable for long-distance driving or night driving. Descriptions:Rubber hook fits comfortably behind either ear.Driver safety alarm can help prevent accidents caused by driver's sleep when driving. Specifications:Material: plastic and rubberSize: 75*50mmColor: black
