This bracelet can record sports and be proficient in any health testLightweight and easy to wear, full coverage of sports and health, small volume and long endurance, mature sports and health detection algorithms and various rich small functions make you love it. Device model: ZERO. Compatible system: IOS7.1 and above, Android4.4 and above. Main functions: heart rate monitoring, step counting, calorie burn, distance, RTC display, automatic sleep monitoring, call reminder, information push, alarm clock reminder, anti-lost, remote control photography, weather, multiple languages, custom UI, music control, etc. Waterproof and dustproof: sweatproof, rainproof, splashproof. Display Screen size 0.96 inches. Screen Type: TFT. Connection parameters: Bluetooth. Other parameters: Appearance material TPE. Product size: 43x18x12mm. Strap: 245x20x12.8mm. Product weight: 24g. Other features: single touch. Charging method: USB charging. Feature Raise your wrist, grasp the call and wechat reminder, timely remind the call, SMS, QQ, wechat and wechat red envelope, don't miss important information, weather and air quality forecast, alarm clock timing reminder, and make arrangements. Control the music playing on the mobile phone. Wear a bracelet to exercise. You can also master the rhythm of music during exercise. Next / previous / play / pause / easy control. 24-hour heart rate monitoring is considerate all the time. Equipped with high-precision sensor, it is fast, accurate, undisturbed and has additional infrared function to make wrist detection more accurate, monitor heart rate all day and protect health. Scientific sleep monitoring and analysis can help you improve your sleep quality. Sleep monitoring every night, scientific sleep analysis, connection app, all data at a glance. Daily weather early know real-time weather temperature push. Push the weather and temperature in real time when the bracelet is connected.