Diggro QS80 smart bracelet with OLED screen clearly displays health parameters including time and date, steps, calories as well as heart rate. 20 days of standby time, you do not have to worry about no electricity. Blood pressure measurement function allows you to understand your body better. With adjustable wristband and light weight feature, you can wear it to do exercise, such as running, climbing. When you do exercise, it can record your sports data. When you sleep, it will monitor your sleep quality. It can also wake you up by vibrating gently. All those data can be synchronized and analyzed on your smart phone. High performance and advanced smart features are the best advantages so that QS80 smart bracelet will be your indispensable personal fitness companion. It’s our pleasure to provide you a funny and healthy life.