Bluetooth Low Energy (BLE) is a wireless communication technology designed for short-range connections. It allows devices to exchange data while consuming minimal power, making it ideal for battery-operated devices like fitness trackers and smartwatches. BLE operates in the same frequency range as traditional Bluetooth, but it uses a different protocol to achieve lower energy consumption. BLE is commonly used in various applications, including Internet of Things (IoT) devices, healthcare monitoring, and smart home systems. Its ability to maintain connections with minimal energy usage enables devices to run longer on small batteries, enhancing user convenience and device longevity.