I checked the appearance of the 4K / 120fps movie compatible action camera 'Osmo Action 3' that can be purchased at the 40,000 yen range in detail - GIGAZINE
DJI Osmo Action 3 starts for US$329 with a new design, long battery life and improved waterproofing - NotebookCheck.net News
Carrying Case for DJI Osmo Action 3 Camera Accessories – GetZget
Amazon.com : DJI Osmo Action 3 Adventure Combo, Waterproof Action Camera with 4K HDR, 10-Bit Color Depth, HorizonSteady, Cold Resistant & Long-Lasting, Extension Rod, Vlogging Camera for YouTube : Electronics