Capacity:128MB - 2GB Power supply voltage 1.6 -3.7v *size 24mm* 32mm*2.1mm *weight:2 gram Feacture: 1)sandisk the move-memory are beyond one hundred patents in the wideworld. 2)hight compatibilityassurance compatibilty with all kinds of digital- camera handhold pc mp3walkman and others. Speciality: 3) hight stability assurance its high quality hight stability.