Walkie Talkie: Call & Video is a communication app that allows users to connect with single or group people. To use the app, users need to log in with their user id and enter the target user id to communicate. The app has a "Push to talk" button that makes it easy to talk with people and protects against accidental audio sending. Additionally, the app has call mute, unmute, and adjust call volume features, as well as a video calling feature.

One of the unique features of Walkie Talkie: Call & Video is its WiFi and Bluetooth chat feature. This feature allows people to chat by connecting to the same WiFi or Bluetooth network. This can be particularly useful in office, school, or college campus settings where people are in close proximity to each other.

Overall, Walkie Talkie: Call & Video is an easy-to-use communication app that offers a range of features for single or group communication. Its "Push to talk" button and transparent audio voice make it easy to talk with people, while its video calling feature and WiFi and Bluetooth chat feature provide additional communication options.

The app requires permission to access fine and coarse location, as well as Bluetooth access.