The NVIDIA® SHIELD™ Wireless Controller pairs seamlessly with the Shield Tablet and Shield Portable. It is designed for both Android and PC. The Shield Wireless Controller uses a custom Wi-Fi signal to increases your game-speed. it has a built-in microphone for voice commands to search, open apps, play movies and songs. It includes a stereo headset jack, built-in touchpad, and volume control, and dedicated Android buttons. The battery is also rechargeable.