Brother 4GB USB Memory Stick The genuine Brother USB Memory Stick is used to save and store images or information you create. You can use the Brother USB Memory Stick with Brother, BabyLock, and Janome sewing and embroidery machines that have a USB port. The Brother USB Media Stick is small, durable, portable, and a reliable way to save your information. The genuine Brother USB Memory Stick has a convenient tab for attaching to lanyard.