The Transcend 8GB USB JetFlash 300 Flash Drive is a featherweight (0.29 oz) memory device that works with any Mac or PC that has a USB port. Less than 2 1/2" long by 3/4" by 1/3", this flash drive has an LED that shows the status of your data transfer. The drive is the perfect way to transfer your data with read speeds of up to 15MB/s and write speeds of 7MB/s. No external power is required and it includes The JetFlash Elite Data Management Tool.