The smart bracelet can be used to charge or keep your headphones, as it's scientifically designed for holding headphones, convenient for carry it away. Versatile, it can track your activities all day long and tell you data about heart rate, steps, distance, calories burned, active minutes, etc. It can receive call and message and be woke up by the voice assistant of your cell phone, never miss the important messages. 2-In-1 Sports watch, a great combination of smart bracelet and headphones, also can be used individually. TWS 5.0 BT headphones, built-in touch sensor and microphone, simple to handle, great for receiving call.