Functions: 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. 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. Multiple sports modes 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. Skin-friendly material The bracelet wristband is made of lightweight skin-friendly soft TPU, which adopts lightweight design, no feeling to wear. 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. Packing list: smart watch x 1 Specifications Mechanism: Yes SIM Card Available: No System: Android Wear System: Android OS System: ios GPS: No Type: On Wrist Compatibility: All Compatible ROM: 128MB Function: Passometer Function: Fitness Tracker Function: Sleep Tracker Function: Message Reminder Function: Call Reminder Function: Remote control Function: Push Message Function: 24 hour instruction Function: Alarm Clock Function: Power Reserve Function: Week Function: Month Function: Heart Rate Tracker Function: Interactive Music Function: Calendar Rear Camera: None Language: english Language: Russian Language: Spanish Language: Portuguese Language: French Language: German Language: Japanese RAM: 128MB Waterproof Grade: Life Waterproof Multiple Dials: Yes Certification: CE Certification: RoHS Battery Capacity: 120-180mAh Network Mode: None CPU Model: Hs6620D Style: Sport Movement Type: Electronic Screen Shape: Square Resolution: 240*240 APP Download Available: Yes Case Material: Alloy CPU Manufacturer: Mediatek Display Size: 1.3 inch Band Material: Silica gel Application Age Group: Adult Battery Detachable: No Band Detachable: Yes