Precision Tracking. Minimal Weight. Complete Freedom.
Miro Full-Body Trackers bring accurate, low-latency motion capture to virtual reality. Built with custom hardware and SlimeVR firmware, each tracker delivers professional performance in a design that is light, durable, and comfortable to wear for long sessions.
Key Features
- Each tracker weighs under 9 grams
- 24 hours of continuous operation per charge
- SlimeVR ICM-45686 six-axis IMU for precise, low-drift tracking
- nRF52840 processor for efficient Bluetooth Low Energy communication
- Compact 45 × 35 × 9 mm form factor
- Open-source SlimeVR firmware compatibility
System Configurations
6-Tracker Core Set
Tracks torso, hips, and upper legs. The Core Set forms the foundation of Miro’s tracking system, providing accurate lower-body motion and a stable IK base for social VR or seated use.
8-Tracker Extended Set
Adds dedicated foot trackers to the Core configuration. This improves walking, dancing, and locomotion tracking accuracy by enhancing ground contact detection and foot rotation precision.
10-Tracker Advanced Set
Expands tracking to include upper-arm sensors for complete limb motion capture. Ideal for streamers, animators, and performers who require detailed arm articulation and full-body movement tracking.
All systems are modular and can be expanded or reconfigured as needed.
Technical Specifications
| Firmware | SlimeVR (open-source) |
| Sensor | SlimeVR ICM-45686 6-axis IMU (gyro + accelerometer) |
| Processor | Nordic nRF52840 SoC (ARM Cortex-M4F, BLE 5.0) |
| Wireless | Bluetooth Low Energy (BLE 5.0) |
| Latency | Less than 15 ms tracking delay |
| Battery | 120 mAh lithium-polymer |
| Runtime | Approximately 24 hours continuous use |
| Charging Port | USB-C (5 V input) |
| Weight | Less than 9 g per tracker |
| Dimensions | 45 × 35 × 9 mm |
| Housing Material | PLA (3D-printed) |
| Mounting System | Elastic straps with adjustable fasteners |
| Operating Temperature | 0–40°C |
| Cooling | Passive thermal design |
| Firmware Update | Manual via wired connection |
| Compatibility | VRChat, NeosVR, LIV, VSeeFace, SlimeVR server |
| Supported OS | Windows, Linux |
Build and Design
Each Miro tracker is built for accuracy and comfort. The lightweight PLA shell provides strength without adding bulk, while the slim form factor keeps sensors close to the body. The elastic strap system ensures a secure fit even during active movement.
The nRF52840 microcontroller and SlimeVR ICM-45686 sensor work together to deliver clean motion data with low latency and high stability. Bluetooth Low Energy connectivity ensures reliable communication and extended battery life for uninterrupted tracking sessions.
Applications
- VRChat and social VR
- VTubing and live streaming
- Dance, motion capture, and animation
- Choreography and performance tracking