Simple business style: exquisite and tough stainless steel shell, with colorful straps, fresh and dynamic 1.39-inch high-definition large screen, with a variety of exquisite dials to give you a different freshness every dayBluetooth calling: Using high-fidelity speakers, Bluetooth hands-free calling, showing high-definition original sound Whether it is going out for a walk, running, or dealing with affairs at home, the mobile phone calls will push the watch in time, and you will not miss important callsIndependent music playback: The mobile phone has a large local memory of 4G, which can store about 1000 songs. The mobile phone can also play music independently without the mobile phone, bringing enjoyment to the ears anytime, anywhereLong-lasting standby: 300mAh large-capacity battery and intelligent power consumption algorithm are used to optimize power usage to the greatest extent. Under typical usage mode, normal use is 5-7 daysA variety of sports modes: Support a variety of professional sports modes, based on accurate real-time heart rate detection and Al algorithm analysis, the watch will record various data of the exercise process in real time to ensure more efficient and safer exercise