Valve Index Knuckles
The Valve Index Controllers, widely known as Knuckles, deliver a highly immersive VR experience with advanced finger tracking, pressure sensing, and SteamVR tracking. Designed to feel like a natural extension of your hands, they allow you to grab, release, point, gesture, and interact with virtual environments with impressive precision.
Each controller combines 87 sensors to track hand position, finger movement, motion, and pressure, enabling more natural interactions than traditional VR controllers.
Key Features
- Advanced finger tracking for natural hand and finger movements
- 87 sensors per controller for detailed hand, finger, motion, and pressure detection
- SteamVR Tracking 2.0 compatibility
- Adjustable hand straps for a secure and comfortable fit
- Pressure-sensitive grip and finger sensors
- High-quality HD haptic feedback
- Built-in rechargeable lithium-ion battery
- Wireless 2.4 GHz connectivity
- USB-C charging
- Designed for extended VR gaming sessions
- Compatible with SteamVR-supported headsets and base stations
- Excellent for gaming, VR simulations, social VR and immersive experiences
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Valve |
| Model | Valve Index Controllers |
| Common Name | Knuckles |
| Controller Type | VR Motion Controller |
| Tracking | SteamVR Tracking 2.0 |
| Sensors | 87 sensors per controller |
| Connectivity | 2.4 GHz wireless / USB-C |
| Battery | 1100 mAh lithium-ion |
| Battery Life | 7+ hours |
| Charging | USB-C |
| Haptics | HD LRA haptic feedback |
| Buttons | A, B, System/Menu, Thumbstick, Trackpad |
| Input | Trigger, grip pressure, finger tracking |
| Color | Black |
| Controllers Included | 2 — Left + Right |
| Lanyards | 2 included |
| Charging Cables | 2 USB charging cables |
The official Steam listing confirms that a complete controller set includes one left controller, one right controller, two lanyards and two USB charging cables. It also requires a compatible SteamVR headset, base stations and VR-ready PC.
Compatibility
The Valve Index Controllers work with:
- Valve Index Headset
- HTC Vive
- HTC Vive Pro
- SteamVR-compatible VR headsets
- SteamVR Base Stations 1.0
- SteamVR Base Stations 2.0
- SteamVR-compatible PC VR systems
What’s Included
1 × Left Valve Index Controller
1 × Right Valve Index Controller
2 × Adjustable Lanyards
2 × USB Charging Cables
Product Highlights
Natural Hand Interaction
Grab and release virtual objects naturally without having to constantly squeeze a traditional controller.
Precise Finger Tracking
Individual finger sensors allow your virtual hands to reproduce gestures such as pointing, waving, making a fist and giving a peace sign.
Immersive Haptic Feedback
Responsive haptic feedback helps make interactions and actions feel more realistic.
Secure & Comfortable Design
The adjustable hand strap allows the controllers to remain securely attached while letting you open your hands naturally.
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