... color: red, green, blue and any pantone color7) Switch: button on/off8) Power source: battery: AA , 2pcs( replaceable)9) CE & ROHS ... a cooling tool,advertisement gifts and for partycan wear on your neck with a linePackage: 1pc/white box or color box, 100pcs ... in my company website: www.dh2004.com mini led fan with music for children