| Brand | GYMGEST | Series Name | X21 |
| Power | AC 3.0HP (4.0HP optional) | Headphone Jack | 3.5mm Standard Headphone Jack |
| Speed | 1-20 Km/h (1-25Km/h@4.0HP power) | USB Interface | Support USB Video Player |
| Incline | 0-16% (16 Levels) | Shock Absorption System | Eight sets of shock absorbing springs |
| Display | 21.5" 1080P HD LCD Touch | Running Area | 580*1600mm |
| Running | Quickstart, Coach, Landscape, Target, Customized | The Power Requirement | 220V/16A Three phase socket |
| Heart Rate Monitor | Heart Rate of Hand Grip | Max User Weight | 180kg |
| Multimedia Video | Support Network Multimedia Video | Thickness of Running Belt | 2.2mm |
| Network Connection | Wireless | Assembled Dimension | 2233*950*1600mm |
