
Overview
The π is the export version of the hip exoskeleton that Shenzhen's Kenqing Technology (VIGX abroad, formerly branded Ant) supplies to rental fleets on Mount Tai and other Chinese scenic areas, where hikers rent units for a few hours at a time. It is a rigid carbon-fibre and magnesium belt with a motor over each hip and thigh cuffs, aimed at hiking, stairs and long walks, and the AI gait model adapts to the wearer over time. The π Plus adds a second battery, double the step count, 15 Nm and a 15 km/h running mode for an extra $300, while the Ant-H1 Pro repackages the same idea for older people who want everyday walking help. Catches are the unpublished battery capacity and torque for the base π, three fixed frame sizes, and a 7-day return window that only covers unactivated units. It is a direct rival of the Hypershell X series and the Dnsys X1, and both the π and π Plus ship worldwide from the maker's store today.
Specifications
| Category | Exoskeletons & exosuits · Consumer & outdoor |
|---|---|
| Released | 2025 |
| Country | China |
| Availability | Available |
| Sales | The maker claims more than 100,000 users, mostly hikers renting units at scenic areas such as Mount Tai (estimate) VIGX product page ↗ |
| Programmability | No SDK, app / visual programming only |
| Built-in autonomy | Reactive · Responds to its surroundings without a map, such as avoiding obstacles or following a person |
| LLM support | None · No voice assistant or LLM. |
| Best for | Ages 16+ (estimated) |
| Vision sensors | No vision sensors |
| Actuators | Brushless / direct-drive motors |
| Audio | No audio |
| Compute type | Proprietary / undisclosed |
| Control | App-adjusted |
| Weight | 1.8 kg (π, one battery); 2.1 kg (π Plus, two batteries) |
| Assistance | Two hip motors add up to 15 Nm per side on the π Plus, which the maker equates to about 30 kg of assistance; claimed 15–30% lower energy use, 25% lower metabolic cost on loaded treks and 35–40% less knee loading on 15° climbs. Walk, Climb and Run modes plus a fitness mode that adds resistance. |
| Joints | Hips |
| Battery & runtime | One battery and about 12,000 steps per charge on the π, or two hot-swappable batteries and over 24,000 steps on the π Plus, with energy recovery on descents and braking. Capacity in Wh is not published. |
| Operation | VIGX app (iOS and Android, Bluetooth 5.1) sets assist level and switches Walk, Climb, Run and fitness modes; a one-touch power-off button is on the device. |
| Speed | Up to 10 km/h (π), 15 km/h (π Plus) |
| Sensors | Proprietary motion sensing sampled at 1,000 Hz; the maker does not itemise the sensors, presumably IMUs and joint encoders (unconfirmed) |
| Compute | Not published |
| SDK | None |
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Image credits
- Image 1: source (official product image)
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