"This smartwatch contains a sensor that will allow you to track your heart rate and your oxygen content. Paired with its dedicated multilingual application, you will be able to access a whole range of features (pedometer with setting up objectives, blood pressure detection, distance calculator, GPS Tracker, sleep quality measurement, alarm, calls and SMS notifications, anti-lost function, remote camera control, etc. ) Waterproof IP67 (Attention: This connected watch is resistant to the jets of water of a faucet or a shower and a fast immersion in less than a meter of water) You can clearly check the variations of your day and the GPS on your mobile application. (Search and Download the Application) [Note: This is only reference data and can not be used as a professional medical measuring instrument. ] Compatibility: Android 4,4 and above smartphones, Ios 7,1 and above; Bluetooth 4,0. This watch is rechargeable directly by the USB of the bracelet. Package Content: 1 x Smartwatch 1 x User's Manual"