Insta360 X4 Quick Reader Lightning-fast file transfer and editing. Plug-and-play. Guarantees a fast and stable connection that optimizes the editing process on mobile devices. Completely without a network. Transfer files without Wi-Fi and save your camera's battery. The camera does not need to be switched on to transfer or edit files. Convenient external storage. Acts as an independent storage module when connected to your camera. images are stored in Quick Reader first, freeing up more space on the camera. Fully compatible. The USB-C and Lightning dual connector ensures compatibility with iOS and Android devices.