Activity Monitors features: Chronus F10 Smart Watch IP67 Waterproof Smart Bracelet 1.28-Inch IPS Round Screen Smartwatch (black) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. Large color screenAll information isclear at a glance, HD 1.28 inch TFT round screen , let the callinformation , remindEverything is clearly visible,240*240 HD resolution Make a callAdd contacts , easy to doBuilt in high definition microphone , Whenhere is a call , it can directly control the watchto answerIt is simple and convenient to answer the phonehout using a mobile phone( when it is not convenient to answer , you canalso choose to refuse or mute) Support blood pressure , blood oxygen , heart ratedetection , add friends with family in appYou gan view each others health data remotely 13 professional sports modesExercise more and be thinnerSupport yoga , elliptical machine for both plasticityand fat reduction , strength training , etcAccurate detection and analysis of each movementposture , heart rate , pace , caloriesConsumption , I wish you efficient to achieve weightloss goals IP67 domestic waterprooftake ones easeWaterproof design , no fear of sweat ,near worry free