"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 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 Date First Available: March 26, 2020 Compatible Devices: PC Model Name: Valve Index Controllers Power Source: Battery Powered Item dimensions L x W x H: 12 x 11 x 5 inches Color: Black or Gray Controller Type: Gamepad Item model number: V003665-20 UPC: 814585020304 ASIN: B086DJXXKV Batteries: 1 Lithium Ion batteries required. (included) Button Quantity: 35 Number of Buttons: 35 Item Package Quantity: 1 Rated: Everyone Type of item: Video Game Item Height: 5 inches Manufacturer: Valve Hardware Platform: Desktop, Laptop Additional Features: Wireless Package Quantity: 1 Item Dimensions: 12 x 11 x 5 inches Item Weight: 0.71 Kilograms Connectivity Technology: USB Special Feature: Wireless"