For 3.7v flashlight, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 3.7v flashlight has been well received by many customers and enjoyed a good reputation in many countries. EBIC Tools 3.7v flashlight have characteristic design & practical performance & competitive price, for more information on the 3.7v flashlight, please feel free to contact us.