Install M2 Pro+By 李, 职文 / 2023年8月2日 https://www.bobovr.com/wp-content/uploads/2023/08/M2-PRO安装视频-20230308-01.mp4 Rear head pad: Due to user feedback regarding installation difficulties, we have made adjustments to install it before packaging. 【Only the M2 PRO+ model comes pre-installed with the rear head pad.】