Features: Heart Rate Monitor, Blood Oxygen Monitor, Smart Sleeping Tracking,70 Sports Modes with Smart Recognition, Reminder of 6 Sports Movements, Monitor Stages of Sleep and Naps, Music Playback, Bluetooth Calling with One Switch, Waterproof Speaker and Microphone, Multiple Languages
Internal Memory: 128M
Battery Capacity: 380mAh Pure Cobalt Battery
Battery Life: 50 Days (Standby Time), 10-15 Days (Daily Use)