promotion mini dynamo flashlight 1)crank dynamo 2)mini size 3)LED type,ROHS certificated 4)logo can be printed on as gift promotion mini dynamo flashlight1)Mini Hand Wind-up Flashlight,size:4x3x1.5cm, rechargeable battery built in,Wind-up for power generation,novelty style2)This item can be rechargeable or not rechargeable3)2 Super bright LEDs,>10000MCD,can work more than 100,000 hours.4)ROHS ...