Features: [Upgrade Chip] Adopt the upgraded chip and professional algorithm, which features low power consumption and high performance, bringing more efficiency for your wear. [USB Charging] With split-design, the bracelet can be charged directly with the USB interface, no charging cable required, fast and convenient. [Fitness Activity Tracker] 3 sport modes are offered. Scientific running training system are available for you to customize exercise monitoring with all-round movement data tracking. [Health Monitor] Automatically and accurately monitor and record your heart rate, blood pressure, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle. [Smart Reminder] After connected to the phone, it will provide synchronous display of message, call or social APP to remind you of important information. [IP67 Waterproof] Can be worn while washing hand or in rain (avoid hot water), easily adapting to various environment. [More functions] Alarm clock, Brightness adjustment, Remote camera, Weather temperature, Sedentary reminder, Find phone, Stopwatch, etc. Parameters: Screen: 0.96-inch single-touch screen Resolution: 128 * 96 BT: 4.0 Compatibility: Android 4.4 and above or iOS 8.0 and above Battery Capacity: 90mAh Charging Time: 1.5-2H Working Time: 6-7 days Standby Time: 15 days App: DayBand Bracelet Language: Chinese, English Message Push Language: Chinese, English APP Language: Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Hindi, Polish, Russian, Dutch, Turkish, Indonesian, Czech