The LCD Touch BacPac is a removable LCD touch screen that seamlessly attaches to the back of your GoPro. As a removable accessory, it keeps your camera as small and light as possible, yet provides the convenience of an LCD touch screen when attached. The LCD Touch BacPac makes it easy to frame your shots and play back content, and delivers convenient touch-screen control of all camera settings. Built-in speaker and 3.5mm headphone jack. Compatibility: HERO3+ and HERO3. Limited compatibility with HD HERO2 and HD HERO Original.