Get to grips with your health with the YOLO-2 Fitness Tracker Measures heart rate, blood oxygen, blood pressure and sleep quality Motion sensors record and reminds you of heart rate changes Stylish OLED screen also display time and push notifications such as phone calls and messages Skin-friendly material strap is ventilated and sweat-proof IP54 rating means it is sweat and dust-proof  See Full Details for specifications Available in orange, yellow, black or blue Save 85% on the YOLO-2 Fitness Tracker for 19.99 pounds instead of 134.99 pounds