Mini hand crank dynamo can provide 3 LED to shine without
battery reuired.
Just crank 1 min. support 3 LED shining for up to 20
minutes
Built-in lithium battery: 3.6V/40mA
Size 8.3*5*2 cm
Country of Origin:China (mainland)
Competitive Advantages:Well and High Quality Control ,New Product ,Competitive Prices ,Fit for Gifts and Premiums ,Earth-friendly Products
Sales Method:Export ,Manufacture ,Wholesale ,OEM/ODM ,Service
Payment Terms:T/T,L/C