HEART RATE BLOOD PRESSURE BLOOD OXYGEN LEVEL USB CHARGING: no charger needed. It can be charge directly on the computer or USB mouth HEART RATE MONITOR: PPG Optical Dynamic Heart Measurement tracking your heart rate and to quantify your heart rate status in real time. Tracking heart rate helps to achieve fitness goals or rehab results or health improvements. Can be set auto measurement per hour and/ or manually at any time. BLOOD PRESSURE MONITOR: Based on the pulse conduction rate technology, through the optical sensor the bracelet can directly measure the accurate blood pressure. Can be set auto measurement per hour and/ or manually at any time. SLEEP MONITOR: analyze sleep quality during sleeping such as sleep time, deep sleep, light sleep etc. Alarm can be set for mute vibration. Made of skin friendly silicon! BLOOD OXYGEN MONITOR: Can track your blood oxygen level at any time. Blood oxygen levels measure the efficiency and intensity of workouts, but they can also indicate underlying health risks and disease. HEALTH MONITOR: track steps, covered distance, burned calories. Sedentary reminder. IP67 Waterproof, dustproof, and sweat proof, Please take it off before swimming and / or diving SMART BRACELET: Bright color screen. You won’t miss a call or message anymore. It will vibrate to remind you for message, call, face book, Instagram, or for Skype call. Remote camera control allows you to take photo by shake your bracelet.