The T-Mobile Broadband 3-month starter pack includes a small and compact USB stick, giving you quick and easy unlimited access to the internet. You can use the USB as a memory stick by adding your own 4GB micro SD card. This will allow you to keep all your files and photos with you. The set features simple plug and go technology, so there's no need to install any software. It can be used with both Windows 7 and Mac Snow Leopard software and has a downloading speed of up to 4.5Mbps. Note: You should check your coverage at www.tmobile.co.uk/broadband before you buy.