Final answer:
The human resources department should search for wearable devices to find an assortment of fitness trackers, smartwatches, smart glasses, and virtual VR headsets for the company's summer party.
Step-by-step explanation:
If the human resources department of a company is looking to give away an assortment of fitness tracker wristbands, smartwatches, smart glasses, and virtual reality headsets at the company's summer party, the type of mobile devices they should search for are wearable devices. These gadgets are particularly designed to be worn on the body and often have smart capabilities, which enable them to interact with the user and other devices. They can track fitness activities, display notifications, take photos, and even augment reality, which makes them ideal for consumer engagement at social events like a company party.