Specification: Certification: NONE Origin: Mainland China Function: Calendar,Countdown,Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Heart Rate Tracker,Alarm Clock Language: English Compatibility: All Compatible Type: On Wrist System: IOS,Android Wear ROM: 64KB RAM: 128MB Rear Camera: None Battery Capacity: 150mAh Network Mode: 4G GPS: Yes Mechanism: Yes Waterproof Grade: Professional Waterproof Screen Shape: Round Application Age Group: Adult Style: Fashion Movement Type: Automatic Display Size: IPS 1.09inch 240x240dpi APP Download Available: Yes Screen Material: LCD Category: Smart Watches Touch Screen: YES Activity Tracked: Activity Tracker,Steps Tracker,Distance Tracker,Calorie Tracker Metrics measured: Heart Rate Monitor,Sleep Monitor Bluetooth-compatible Version: 5.0 Voice assistant built-in: no Colour: black Product material: TPU + alloy Main control MCU: Realtek8762CK Heart Rate Sensor: 3313 Acceleration sensor: STK8321 Case: Full screen touch Charging: Magnetic Support mobile phone version: for ios 9.0 above,for android 4.4 above Connection: racefit pro APP connection Motion track GPS /Google map APP show Alarm Clock Setting Bracelet Vibration Reminder (20 sets) HEALTH SHARING Share for QQ, facebook, Twitter,  Exercise Goal Setting Set target steps Friend sharing Support Host MCU NORDIC NRF52832(M4) Bluetooth 4.0 Screen HD colour screen 1.04" 240*198 Buttons Single-touch Battery Li-Polymer 100mAh Optical Sensing Dual LED Green + Everlight PD70-01C-TR7 Acceleration Sensor Triaxial Acceleration Rom KX023-1025 Storage 64M Flash Charging mode Magnetic contact charging Supported Languages English and Chinese auto-switching interface (content push supports 9 languages: Simplified/Traditional  English, Spanish, French, German, Japanese, Italian, Russian, Polish)  Polish)  Adaptation mode with mobile phone APP or standalone use  Bluetooth 4.0 Support mobile phone version iOS 8.0 or above Android 4.4 or above IP68 Round body diameter: 39.5mm; thickness: 8.0mm; material: double-arc mineral hardened glass + CNC aviation aluminium bottom case. Strap length: 120mm; material: environmental protection anti-scratch TPU Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Smart Watch 1. 8 Supported Sports Modes: This smart watch supports 8 different sports modes, including walking, running, basketball, soccer, badminton, table tennis, hiking, and cycling. Stay active and track your performance in various activities. 2. Comprehensive Health Monitoring: This intelligent sports watch can monitor your sleep quality, heart rate, step count, calories burned, and distance covered. Keep track of your fitness progress and make informed decisions about your health and well-being. 3. Convenient Features and Functions: This fitness tracker watch enjoys a range of features including music playback, volume control, call rejection, GPS tracking, lift-to-wake screen, incoming call and message reminders, anti-loss reminder, alarm clock, sedentary reminder, stopwatch, countdown timer, app notifications, do-not-disturb mode, disconnection reminder, remote camera control, find bracelet function, find phone function, SIM card switching, heart rate alerts, social media sharing, for sports integration, brightness adjustment, health sharing (for QQ, for Facebook, for Twitter), and customized interface styles. 4. Social Sharing and Connectivity: This will smart phone watch share your fitness achievements and progress on social media platforms like for Facebook, for Twitter. Stay connected and motivated with friends and family while keeping them updated on your fitness journey. 5. Personalized and Style: Customize the main interface style of the monitoring health watch to suit your preferences. Choose from a variety of options to match your personal style and make your watch truly yours.