R-3 3x Rectangular handheld/stand LED rechargeable handheld Magnifier has a 4.4"x 2.4"rectangular lens. This unique magnifier has an amazingly bright light field. This magnifier can be used as a conventional handheld magnifier with its fold out handle, or as a hands free stand magnifier by using its retractable fold out stand legs. It has a modern USB charging cable, so you can only use your computer or a usb cell phone charger to charge this Magnifier.