Support for Windows XP/ Windows Vista/ Windows 7. Get full access to your SIM card through your PC. Ability to copy the content from one SIM card to another. No need to worry about the lose of your telephone directory. Ideal for portable use on the road or at home with a desktop or laptop. Software install will allow you to manage the sim card copying process. Read, edit, backup your telephone directory and SMS for your GSM devices. Allows you to copy different number to one sim card, including phone book, SMS, ring tones, photos, etc. High access speed, transfers data or images from flash cards to any host system. Get power supply via USB cable. No external power supply required. Accessory ONLY: SIM Card is not included. Type: SIM Card Reader Color: Clear Blue Features: Mini and Useful, Copy Cloner Writer Size: 6cm x 2cm/2.36" x 0.79" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. When you insert the SIM card, chip facing down, the gap facing out, otherwise you may burn out the card. It can just read the standard SIM card, if you want it to read micro card or nano card, you can put an card adapter to turn it into standard card then read it. Package Includes: 4 x 1 x SIM Card Reader 1 x Driver