Xiaomi KingSmith WalkingPad X21 TRX21F Treadmill, 918W, Up to 110 kg, 0.5–12 km/h, Data Display, Mobile App, OLED, Child Safety Lock, Foldable, Black

The WalkingPad X21 is an innovative treadmill featuring patented Double-Fold technology, which has been honored with the prestigious Red Dot Design Award and iF Design Award. Thanks to the double-fold mechanism, the treadmill takes up significantly less space and can be stored both horizontally and upright, making it ideal for home use and small spaces.

The model is equipped with a brushless motor that ensures quiet and smooth operation, suitable for workouts at home without excessive noise. The built-in hidden LED display provides real-time workout information, and control is made easy via a control panel on the handrail, NFC connectivity, and the KS Fit mobile app.

The WalkingPad X21 supports a wide range of speeds suitable for both walking and running, and features a number of safety and convenience features for daily use.

- Power: 918 W
- Motor type: Brushless electric motor
- Minimum speed: 0.5 km/h
- Maximum speed: 12 km/h
- Speed range: 1–12 km/h
- Maximum load: 110 kg
- Folding technology: Double-Fold
- Display: Built-in hidden LED/OLED display
- Displayed information: Time, speed, distance, calories, steps
- Controls: Handrail control panel
- Connectivity: NFC (Android)
- Mobile app: KS Fit (iOS and Android)
- Housing material: ABS + aluminum alloy
- Panel material: Acrylic
- Running surface dimensions: 121 x 46 cm
- Dimensions (unfolded): 142 x 71.1 x 100.7 cm
- Dimensions (folded): 22.5 x 71.1 x 100.7 cm
- Noise level: Up to 75 dB
- Overload protection
- Automatic standby mode
- Child safety lock
- Weight: 37 kg
- Gross weight: 42 kg
- Supply voltage: 220 V / 50-60 Hz
- Color: Black

Suitable for:
- Home use
- Apartments and small spaces
- Walking and light to moderate running
- Users looking for a compact and foldable treadmill