... DLP link 3D glasses: 1.USB rechargeable,or battery we have both 2 ... This model SG002, is rechargeable style, if power run out, can used USB charging. Save your money ... ship by airpost.This model SG002, we have rechargeable style, also have batter style, you can ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); USB Rechargeable DLP Link 3D Glasses for 3D ready projector