--USB quick release and direct charging: it can be charged by inserting the USB interface

--the quick release and detachable wristband design,

--Smart life assistant: The watch can monitor the number of steps, calories, heart rate, distance, sleep quality, etc.

--Skin-friendly material: made of lightweight, skin-friendly and soft TPU material, with a lightweight design, which makes it feel comfortable to wear;

--Screen Type: 1.4 inch TFT LCD;

Description:
Product Name: Smart watch
Model: D20 Pro smart watch;
APP: FitPro;
Bluetooth-compatible version: Bluetooth-compatible 4.0;
Waterproof/Waterproof: Yes (not suitable for swimming);
Operation mode: touch button;
Power on: long press the function key;
Screen Type: 1.4 inch TFT LCD;
Storage (FLASH) 16MB + 128KB;
Compatible operating system: Android, IOS;
Standby time: 4-7 days for normal use; 30 days for standby based on 230mAh;
Function: exercise, message, alarm clock, blood oxygen, date, heart rate measurement, sedentary reminder, sleep management, time;
Notification type: Facebook, Twitter, WeChat, WhatsApp;
Alert Type: Vibration;
APP language support: English, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, etc.;
features:
you can view information, take photos remotely, pick up your phone and other intimate and convenient functions by connecting to a smartphone, making your life easier. Actually track your exercise intensity and physical condition, so as to adjust your fitness plan in time;
Packing list:
1 x Manual
1 x D20 Pro Smart Watch
1 x Packing bag
Note: 
1. APP support system, Android 4.4 and above, IOS 9.0 and above, 
2. Do not use chargers higher than 5V/2A. 
3. This data is not intended for medical reference. 
4. The watch cannot be exposed to hot water, because hot water will cause the watch to display fog;