Haptic feedback is a technology that provides tactile sensations to the user, typically through vibrations or motions. It is commonly used to enhance the user experience by simulating the sense of touch. To determine which input device can utilize haptic feedback, let's examine each option:

1. Touchscreens: Touchscreens are designed to detect touch input and can be equipped with haptic feedback technology. When you interact with a touchscreen, haptic feedback can provide vibrations or other tactile responses to simulate the sensation of pressing a physical button or interacting with an object. This makes touchscreens a suitable device for haptic feedback.
2. Mouse: While traditional mice do not typically include haptic feedback, there are specialized mice that incorporate this technology. These mice can provide vibrations or other tactile responses to enhance interaction during gaming or other applications. However, they are less common than touchscreens in terms of haptic feedback implementation.
3. Keyboard: Similar to mice, keyboards do not typically include haptic feedback. However, there are specialized keyboards designed for gaming or specific applications that may include haptic feedback to provide tactile sensations during use.
4. Microphone: Microphones are audio input devices and do not typically involve haptic feedback. They are used to capture sound rather than provide tactile sensations, making them unsuitable for haptic feedback.

Based on this analysis, the most common and suitable input device for haptic feedback is the touchscreen. Touchscreens are widely used in smartphones, tablets, and other devices where haptic feedback can enhance the user experience by simulating touch interactions.