Cheap Sports bracelet

This is a waterproof and retractable small lamp. Although it is small, it contains 7 major functions. It can repel mosquitoes, move lighting, and be carried as a warning light when traveling outdoors to avoid danger. You can wrap it around your wrist or other places and switch to portable lighting. You can use it as a night light or desk lamp. IPX4 waterproof, even if it rains, you will not be afraid.