30 days (with Automatic HR Monitoring OFF) ,5-7 days (with Automatic HR Monitoring ON).
-OLED Display Design.The screen can display 25 word or 50 characters.
-Bluetooth Smart Watch.When you have an incoming phone call or new text message, Vigorun also alerts you.So if you walk away from your phone(within 10 meters), you never miss a call.
-Silent alarm to wake.When your alarm sounds, you should not have to worry about your family will wake up, Vigorun4 can woken you out of a sound sleep in the mode of vibration.
IOS 8.0 or Android 4.4
Bluetooth 4.0 or later
1 to 2 hours
Bluetooth Transmission Distance:
Multi touch 0.87″ OLEDS
Free gift of a blue band for you comfortable to wear and perfect fit any occasion.
IP68 waterproof,Suppor for swimming.Feel free to get wet in the rain,or wash hands.Please do NOT use when you take shower with hot water.
If for any reason you don’t seem to be satisfied, please do not hesitate to contact us or Amazon customer service.We will be able to try our best to make it best for you ASAP.
♥ 【Highest Waterproof Level】Equipped with TPU wristband for soft comfortable use and bigger advanced OLED screen for clearer vision even in sunlight, YuanGuo activity tracker will do no harm to your body. You’ll even wear the tracker to swim with Ip68 water resistance.
♥ 【All-day Activity Tracking】YuanGuo smart bracelet will correctly record your all-day activities like steps, distance, calories burned, active minutes and it can identify whether the user is running or not automatically. It’ll keep a record of the measuring data throughout 7 days.
♥ 【Heart Rate & Sleep Monitor】More accurate heart rate monitor than many fitness watch. 24/7 heart rate tracking can help you know your all-day heart rate and view heart rate curve to get a clear picture of your health. It can also correctly monitor sleep status, indicating light sleep and deep sleep time that will help you get to know your sleep quality.
♥ 【More Features】Silent alarm clock setting, sedentary remind, call notification, SMS and SNS notification, wearing on either left or right wrist, night mode, horizontal or vertical display mode, customize display, goal achievement reminding, running mode, etc.
♥ 【Built-in USB Plug & Wide Compatibility】Built-in USB plug makes it easy to charge in any USB port, no cable needed. The fitness wristband is compatible with most smart phones with Bluetooth 4.0. Fortify system: iOS 8.0 or above (iPhone 4S, iPhone 5/5S/5C, iPhone 6/6S plus, iPhone 7/7S plus /x /8 / 8 Plus, etc.), Android 4.3 or above (Huawei Mate 7/P9, LG, Samsung, etc.)