Brief introduction:

1. One of the smallest dynamo flashlight in the world. Its smooth surface is good for logo printing. Perfect choice for promotional gift.

2. Dynamo flashlight indeed: 1 minute clockwise cranking will bring 7-minutes-lighting with its buit-in N20 mini generator.

3. Its buit-in 40mAh Li-ion battery can be charged & discharged more than 500 times.