HTC VIVE
HTC VIVE Ultimate Tracker
Camera-based body movement capture in virtual reality
Price not verified
SlimeVR
SlimeVR Butterfly Trackers
Pre-orderOpen-source inertial full-body VR tracking.
$279 USD≈ €250 EURECB 2026-10-12Global · Announced price · Preorder
Manufacturer photograph of prototype Butterfly trackers; production colour and enclosure may change.
Key details
PRICES & AVAILABILITY
Prices & availability
Price settingsMarket & sorting
$279 USD≈ €250 EURECB 2026-10-12 Global · Announced price
PreorderCrowd Supply (official SlimeVR campaign)
Core Set Bundle: six trackers, straps and dongle
Official live campaign ordering section estimates Jan 31, 2027 dispatch. This is an estimate, not completed delivery. Shipping listed separately. Original source market label: International.Check merchant offer ↗Price source ↗ Checked 2026-10-12Preorder; campaign shows manufacturer prototype photos. Production enclosure and colour may change.
Prices are snapshots, not a live stock feed. Taxes, shipping, prescription lenses and accessories can change the total.
Specifications
- Designed for
- Open-source inertial full-body VR tracking ↗
- Form factor
- Body-worn Butterfly tracker set ↗
- Tracking
- Inertial full-body tracking ↗
- Software
- Open-source SlimeVR ecosystem ↗
- Charging
- USB-C or optional charging dock ↗
- Sales
- Official shop preorder ↗
- Dimensions
- 56 × 35 × 7 mm ↗
- Weight
- Less than 10 g per tracker ↗
- Battery / power
- 90 mAh ↗
- Runtime
- Up to 48 hours ↗
- Connectivity
- Custom 2.4 GHz ESB radio with dedicated dongle; no Wi-Fi required ↗
- Refresh rate
- 100-200 Hz target; not finalized ↗
- Firmware
- Wireless OTA updates ↗
Specifications awaiting evidence
Water / dust rating. Unknown values are evidence gaps, not proof that a feature is absent.
Similar devices
Tundra Labs
Tundra Tracker
SteamVR tracking of body movement
$130 USD≈ €116 EURUS · Store price · Stock and delivery not verified
Price details
≈ €116 EURECB 2026-10-12
Single tracker with threaded baseplate and one SteamVR dongle
Checked 2026-10-12. Maker single-tracker listing displays USD130 regular price and Sold Out. Zero-dollar sale template text is not a free-device offer.
Price source ↗Price history
Our first price observations were recorded 2026-10-12. A chart appears after a second observation of the same merchant, market and configuration.
Earlier prices are not available. New verified checks are collected by the cloud catalogue updater.
Follow this modelTHE COMMUNITY
Experiences, questions & ideas.
Own it, tried it, or still deciding? Share what matters to you.
Start the conversation.
No comments yet. Your experience could help the next person choose.