USB heart shape penholder light with mini fan Power: USB or 3pcs AA batteries USB heart shape penholder light with mini fan The lamp and the fan has the seperate switch, small size, easy for takingPower: USB or 3pcs AA batteriesUnit Size: 10*8.2*26.5CMPacking: color box, 60PCS/ctnMeas: 57.5*36*46.5CMG.W.: 15.00KGSN.W.: 14.0KGS