Product details : L18 Smart WatchThe L18 Smart Watch features a 45mm bandwidth, a built-in voice assistant, Bluetooth 5.1, and a TFT touch screen. It offers various activity-tracking functions like step, distance, calorie tracking, and sleep monitoring.,Specification :Bandwidth [mm] :45mmBuilt-in voice assistant : YESBluetooth compatible version : 5.1Metric measurement:Others, sleep monitorActivity tracking :Others: step tracker, distance tracker, calorie tracker, activity trackerTouch screen:YESscreen material : TftResolution : 240*296Screen size:2.19 inchScreen shape : SQUARECase material : ALLOYBand material : ALLOYSim card available :NoMultiple dials : YesSystem : Original OS, Android Language : EnglishFunction : Passometer, Fitness Tracker, Sleep Tracker, Message Reminder, Call Reminder, Answer Call, Dial Call,