Colors available: Black and blue ! Heart Rate Monitor : Track your 24-hour heart rate. One button to monitor current heart rate. Keep your data recorded on the app. Alarm when reaching maximum heart rate. 14 Sports Modes: 14 Sports Modes available on the app. The tracker can be set to display 3 sports modes. So you can record your sport data during exercise. Sleep Monitor: Monitor your sleep every night (9 pm-9 am). Record the time of your deep sleep, shallow sleep and wake up. Help you have a better arrange of your resting time. How to charge it? 1.Take the straps off the tracker body. (from both sides) 2.Indert the trakcer into a usb charger, like your laptop or your phone adapter. 3.The red light will be on during charging. Charging time: 1.5 hrs PS: No charging cable included in the package. How to connect it with my phone? 1.Turn on the wireless of you phone and keep the tracker close to your phone. 2.Download VeryFitPro APP. 3.You can search for a tracker named ID115Plus HR in the app. 4.Allow all notification of the APP to get call & message alert. About Waterproof> This fitness tracker is IP67 Life Waterproof. It can only prevent dust and splash. Please DO NOT wear it during swimming or shower.