This is a powerful and multi-functional smart bracelet, which is a smart device that makes you live in a more intelligent lifestyle and cares more about your fitness through many functions, such as heart rate monitoring, blood pressure monitoring, sleep monitoring, pedometer(calories, distance, steps), etc. Suitable for ios 9.0 And above or for android 5.0 And above, and it supports bt 4.0. Features: hd 0.96In tft color display touch screenshows the screen information clearly. Support call reminder and messages sync(like sms/wechat/qq/facebook/ins/skype, etc). Support remote control camera. On the mobile app, just shaking the smart bracelet, then it can control your phone to take photos. Support ip65 water-resistant function, which can better avoid damage from water splashing, rain, etc. More functions, like heart rate monitoring, blood pressure monitoring, sleep monitoring, pedometer(steps, calories, distance), sedentary reminder, smart alarm clock, find the bracelet, etc. The wristband is made of soft tpu skin-friendly material, sweat-resistant and wearable, providing better wearing experience. Low-power consumption and long standby time, and you can connect it with most usb powers via usb cable to charge, very convenient. Wide compatibility, suitable for ios 9.0 And above or for android 5.0 And above, and it supports bt 4.0. Specifications: model: m3 color: red, black, blue (optional) case material: abs + pc band material: tpu bt version: bt 4.0 System: for ios 9.0 And above/android 5.0 And above display screen: 0.96In tft touch screen water-resistant level: ip65 battery: 90mah lithium polymer standby time: about 15 days working time: about 7 days charging time: abour 2 hours item length: 235mm / 9.25In package weight: 60g / 2.12Ounce package size: 124 * 87 * 30mm / 4.88 * 3.43 * 1.18In note: 1. Please read the user manual carefully before you use the product and use it rightly based on the user manual so as to avoid the unnecessary trouble. 2. Please download the app software according to the user manual and install the software on your phone. 3. Due to the different monitors and light effects, the actual color of the product maybe a slight different from the picture color, thank you for your understanding. Package list: 1 * smart bracelet 1 * usb cable 1 * user manual(english & chinese)