M4 Intelligence Bluetooth Wrist Smart Band Watch/Health Bracelet/Smart Watch/Activity Tracker/Bracelet Watch/Smart Fitness Band/with Heart Rate Sensor Compatible All Androids iOS Phone/Tablet

 

• Blood Pressure & Heart Rate & Blood Oxygen Measurement & Sleep Monitoring: Tracks real-time heart rate automatically & continuously and automatically tracks your sleep duration & consistency with comprehensive analysis of sleep quality data, high-performance CPU to monitor blood pressure & blood oxygen
• See Calls & Messages on Your Wrist: Receive/Rejection call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display, fitness tracker band let you never miss the messages that matter.
• Water resistance up to 10 meters
• All-day activity tracking: Track steps, distance, calories burned, active minutes, you can check daily activity and time on OLED display or APP
• TFT HD LCD touch screen, there have four different operation interface for you to change, Resolution ratio: 128×64 pixel; 380MAH polymer lithium battery, standby time up to 5 hours after 1.5 hours fully charged