Activity Monitors features: Smart Watch for unisex Ecg Ppg Hrv Heart Rate Bluetooth Call IP67 Oxygen Pressure For Android IOS-Silver 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. Attention: The Fitness Shows Fitness Tracker Compatible With Andrid 4.4 Or Above, Ios 9.0 Or Above And Bluetooth 4.0 Can Be Used In The Corresponding Smartphone.Ecg: Ecg Monitoring Evaluates Heart Health, Incorporates Ppg + Vrc Measurement Technology, And Can Monitor Anytime, Anywhere.Call And Reminder Message: When The Connected Watch Is Connected To Your Phone, The Call Will Remind You By The Vibration Of The Bright Display. If you don't want to reply, you can also press and garbage. Besides, You May Receive Notifications Such As Whatsapp.Facebook.Twitter In Order Not To Miss Important Information. Time Display And Remote Camera Function Is A Good Helper For Your Travel.All Day Tracker: Smart Blood Pressure And Heart Rate Monitor, It Supports 8 Tracked Sports Like Trekking, Fitness, Treadmill To Help You Monitor Your Divers. The Bracelet Activity Can Accurately Monitor The Actual Total Sleeping Time And Movements Every Night, You Can Better Understand Your Sleep Quality.Touch Screen Design: Stylish And Fashionable Full HD Ips 1.54 "Touch Screen, Stainless Steel Case, You Can Change The Fitness Tracker Background To Any Picture You Like Keep Your Style And Make Smart Band Unique For You