Swing dynamo LED keychain light small size Big logo printing area available rechargeable by swing arm high brightness light Swing Dynamo self rechargeable LED keychain light/flashlight2 high brightness white LEDsLED size: 3mm in diametrerechargeable by swing the arm1 minute's swing makes it light for 5 to 10 minutesbatteries can be recharged 500timescompact size: 4x3.5x1.5cmbig logo position(2. ...
