Feature: 1. APPLICABLE: Compatible with Valve Index Controllers, HTC Vive Controllers, HTC Vive Tracking, and Logitech VR Ink Pilot. (Not compatible with REVVL 4 PLUS). 2. INCLUDES USB EXTENSION CABLE: USB dongle receiver supports HP Reverb G2 headset and Valve Index Controller, comes with a USB extension cable. 3. PLUG AND PLAY: USB dongle wireless receiver is plug and play; simply connect to your computer and the necessary drivers will install automatically. 4. PRE-INSTALLED FIRMWARE: USB dongle receiver comes with pre-installed Watchman firmware and functions similarly to Steam controller. 5. SMALL AND PORTABLE: Steam VR USB dongle receiver is tested before shipping to ensure proper functionality. Compact and lightweight for easy portability. Specification: Item Type: USB Dongle Receiver Material: ABS Compatible Devices: Valve Index Controllers, HTC Vive Controllers, HTC Vive Tracking, Logitech VR Ink Pilot (Not compatible with REVVL 4 PLUS) Features: USB dongle wireless receiver for pairing your PC with SteamVR-compatible devices, enabling use with HP Reverb G2 headset and Valve Index Controllers. Plug into your PC and drivers install automatically, allowing use of SteamVR app to pair controllers. Package List: 1 x USB Dongle Receiver (Neck Color Random) 1 x Extension Cable