Your hands, in VR. Valve Index Controllers have been designed from the ground up to enable natural input, high fidelity hand presence, and comfort in VR. Hardware Specifications Includes 2 Controllers, Left and Right 2 Lanyards 2 USB Charging Cables Requires Valve Index Headset, HTC Vive Headset, or HTC Vive Pro Headset Valve Index Base Stations, HTC Vive Base Stations, or HTC Vive Pro Base Stations Valve Index Ready PC