Specifications: Condition: 100% Brand New and High Quality Color: White, Pink, Black, Silver Black (Optional) Model Number: D20 Pro Smart Watch APP: FitPro Bluetooth Version: Bluetooth 4.0 Battery Capacity: 180mAh Strap Material: TPU Screen Size: 4.15x3.63cm/1.63x1.43" Language: English, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, ect Waterproof/Water-Resistant: Yes (Not for Swimming) Operating Mode: Touch Button Power On: Press and hold the function key Screen Type: 1.3inch TFT LCD Storage(FLASH): 16MB+128KB Compatible OS: Android, IOS Standby Time: 4-7 days normally use; 30 days standbybased on 180mAh Functions: Sport, Message, Alarm Clock, Blood Oxygen, Date, Measurement of heart rate, Sedentary Reminder, Sleep Management, Time Notification Type: Facebook, Twitter, Wechat, WhatsApp Features: 1. 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. 2. 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. 3. Practical: Keep abreast of your exercise intensity and physical condition in order to adjust your fitness plan in a timely manner. Multiple sports modes. 4. The phone has a variety of sports modes built in, no need to add on the phone, wear the bracelet directly to exercise, the bracelet can record all your sports data. 5. Skin-friendly Material: The bracelet wristband is made of lightweight skin-friendly soft TPU, which adopts lightweight design, no feeling to wear. 6. Heart Rate Monitoring: Equipped with wrist optical heart rate sensor, enter the heart rate test interface for a few seconds, display current heart rate measurement results. Package Included: 1 x Smart Watch 1 x Manual 1 x Box Note: 1. Please allow 1-2cm measuring deviation due to manual measurement. 2. Due to the different monitor and light effect, the actual color of the item might be slight different from the color shown on the pictures.