I did not use this for awhile and when charging the display flashes but when it is off the charger the screen stays black. It worked the last time I used it so don't know why it suddenly won't work correctly. Includes the USB charger and manual.
I bought this off of Amazon and here is the description they gave for it.
- ⌚ 【Touch Screen Watch】Zkcreation smartwatch adopting a 1.69-inch high-definition screen with the sensitive full touch control. Not only default dials, but also DIY dials, upload a your picture to customize the watch dial. The brightness and the screen show time is adjustable, and it can be easily read in the sun.
- 💙 【Heart Rate & Sleep Monitoring】This smart watch monitor heart rate and your sleep hours data is loaded into the app, when it is synchronized with the watch and shows you all your detailed information with graphs so you can know your physical condition at any time of the day. The data cannot be used as a medical reference.
- 📲 【Synchronize with Smartphone】This Fitness Tracker work with the phone with iOS 9.0 and Android 5.0 or above. Download the App "HeroBandIII" with your phone, connect the watch to the phone via the app. For Android phones, you need to enable the "HeroBandIII" auto-run application permission on your phone and turn on the notification permission.
- 🏃【Multi-function Smartwatch】The smart watch has built-in sensors to track multiple 8 sports modes. Step, distance, calories, blood pressure and stopwatch. Reminder calls, messages, app notifications, including WhatsApp, Facebook, Twitter and more. The fitness watch support multiple languages: Chinese, English, Korean, German, Spanish, Japanese, French, Italian.
- ☔【Daily Waterproof】The smartwatch for men women doesn’t need to move off when you use the water in the daily life, such as wash hand, washing face or raining. Please do not use it in diving, sea water (salt water) or hot water (40 °C / 104 °F or above), it may cause watch defects. It only takes 2 hours for this watch to be fully charged, and it can go for 7 days working time and 30 days standby time.