Sony 4 GB Memory Stick ProDuo MSMT4G/TQ1 (Black) the compact msmt4g memory stick pro duo mark 2 media card is the perfect solution for storing and transferring high resolution video and still photos recorded on compatible handycam camcorders and cyber-shot digital cameras. designed for high speed and stellar storage capacity, this reliable media is just what you need for storing your memories and transferring them with ease.