Features:· OLED screen, the tracker includes a recording device that records sports data in daytime and sleeping data at night to guide a healthy lifestyle.· Includes tracker with standard usb port, allowing charge through PC or AC adapter· PC and Android dual-mode synchronous data. Syncs via wireless Bluetooth or through PC via USB· Designed with a strong waterproof component· Uses LED lights and vibration for reminders and notifications· Call Reminders· Sleep Monitoring· Calories Burned· Distance tracker· Find my device – anti theft/loss alarm· Can be used as a selfie for smartphone· Works with iOS and Android