Product details of D20 Ultra Smart Watches 1.44 "Smart Touch Color Screen Bracelet Exercise Meter Step Heart Rate Sleep Monitoring Smartwatches USB Charging

• APP Support System: Android 4.4 and above, IOS above 9.0
• Do not use a charger higher than 5V/2A.
• The data cannot be used as medical reference.
• The watch can't touch the hot water because the hot water would cause the watch display get fog.
• USB Quick Removal Direct Charge: Brand new bracelet charging method, quick-release detachable wristband design, can be charged by plugging in the USB interface, eliminating the trouble of carrying a charging cable and charging stand.
• APP Language Support: English,French,Italian,Japanese,Korean,Polish,Portuguese,Russian,Simplified Chinese,Spanish,Traditional Chinese,ect
• Smart Life Assistant: The watch can monitor the steps, calories, heart rate, distance, sleep quality, etc. Of the day. At the same time, it can connected to a smart phone to view information, remotely take pictures, retrieve mobile phones and other thoughtful and convenient functions to make your life more convenient.
• Practical: Keep abreast of your exercise intensity and physical condition in order to adjust your fitness plan in a timely manner.
• Skin-friendly material: The bracelet wristband is made of lightweight skin-friendly soft TPU, which adopts lightweight design, no feeling to wear.

Main Features

* APP: FitPro

* Bluetooth Version: Bluetooth 4.0

* Waterproof / Water-Resistant: Yes(Not for swimming )

* Operating mode: Touch button

* Compatible OS: Android, IOS

* Functions: Sport, Message, Alarm Clock, Blood Oxygen, Date, Measurement of heart rate, Sedentary reminder, Sleep management, Time

* Notification type: Facebook, Twitter, WeChat, WhatsApp