The AirPods is equipped with Bluetooth 5.0, it is configured with a built-in microphone, it also filters out any background noise, initiates calls, and communicates with Siri. These Earbuds could be used with iPhone, Apple Watch, iPad, or Mac. They are automatically on and after a simple set-up would always stay connected. It is powered by the Apple H1 headphone chip which is a fairly new technology.
The Apple AirPods have an optical sensor and motion accelerometers to detect when they're in your ears. It also has an additional speech-detecting accelerometer that works with beamforming microphones to filter out external noise and focus on the sound of your voice. The AirPods activates automatically even if you only put on one of them and engages with microphone, audio and you can also start to interact with Siri with a simple 'Hey Siri'. You can give any commands or any adjustments you want by giving Siri these commands.
The Wireless Charging case will charge your AirPods in 15 minutes and give you 3 hours of listening time and 2 hours of talk time. The battery life is 5 hours while listening to the audio, 3 hours of talk time on a single charge. Apple claims these AirPods would last you for the whole 24 hours. For charging you would just have to keep your AirPods in the Wireless Charging case and lay that on a Qi-compatible charging mat and let it charge. The green LED light would show that it is charging.