?HEALTHY ASSISTANT?EIISON V1 Smart Band can check your physical index, such as steps, distance, calories burned will help you get a better understanding of your fitness level. It accurately monitors total effective sleeping time and motions every night (including light sleep and deep sleep). ?FASHION DESIGN?EIISON V1 Activity tracker with 0.86'' OLED display screen. Slim, comfortable and easy to wear. It combined with fashion, sports and business. You will barely feel like you have anything on your wrist at all. The silicone replacement band is easy to install and remove, you can install a different colored band any time you want. ?NOTIFICATION REMIND? Intelligent notification be clear at a glance, convenient and timely access to Call, Messages and all kinds of social information (Facebook, Twitter, Whatsapp, Line, Skype). Sedentary reminder,remind you to leave the seat for just the right amount of exercise; ?BUILT-IN USB CHARGING?The host comes with a standard USB port, specially designed to charge through your PC or mobile driver. All you need is the tracker and a USB port and your trendy pro Wristband will be charged and ready to go in no time! Get it delivered fast and start a healthier life now! ?WIDE COMPATIBILITY? The app supports most smart phones with Bluetooth 4.0. Support system: iOS 7.1 or above (iPhone 5/5S/5C, iPhone 6/6S plus, iPhone 7/7S plus 8 X), Android 4.4 or above (Huawei Mate 7/P9, LG, Samsung. etc ). If for any reason you are not satisfied, please do not hesitate to contact us or Amazon customer service. Note: In order not to count other daily activities (such as drinking water) in daily step counts, V1 will track steps when you continuously walk more than 15 steps