⭐Comfortable Chest Strap or Strap-Free Wear Way: 1. The adjustable soft chest strap makes carrying more comfortable. 2. Strap-free, no constrain to the chest, wearing with the electrode patches will be more convenient and provides a stronger and more stable signal. The lightweight feature gives you a carefree wearing experience. Always accurate during exercise.
⭐ Accurate real-time heart rate with ECG: The heart rate monitor can not only track your heart rate continuously throughout the day, but also record your waveform for up to 30 minutes (click “Record” and stay on the dashboard interface). * Note that the EKG can only be monitored if you connect to the APP via Bluetooth. Please measure your ECG in the resting state. The maximum recording length is 30 minutes. If the recording time is less than 30 seconds, the recording is not saved.
⭐Heart Rate Vibration Alarm : The built-in vibration alarm helps maintain the best heart rate zone (of your choice) during the workout. It vibrates every 10 seconds if your heart rate reaches the ideal heart rate (target 1) and vibrates every 2 seconds if your heart rate reaches the dangerous heart rate (target 2). Helps you achieve the best training results and health training routines.

✅HIGH-ACCURATE ±1BPM HEART RATE MONITOR: Patented optical sensor technology for highly accurate heart rate monitoring. It support continuously measure real time heart rate data ±1bpm during exercise.The armband also can track and capture training zones and calories burned on your smartphone or tablet with compatible training apps.
✅HEART RATE ZONE TRACKING: Coospo heart rate monitor armband HW807 can monitor HR zones with different color LED light, let you see your exercise status more intuitively. Also support heart rate variability (HRV) function.
✅COMPATIBLE with BLUETOOTH5.0 & ANT+: Great for work with smartphones,Garmin, Wahoo sport watches/gps bike computers/fitness equipments and many other devices which support Bluetooth4.0 & ANT connection.

CUQOO FITNESS WATCH – The CUQOO slim fitness exercise watch is the perfect watch for men, women, and kids. Accurately records all-day activities like steps, distance, calories burned, miles walked, active minutes, sleep status and more. It is also a great gift for any occasion, Christmas, birthday, anniversary. Stay motivated and keep others motivated all day!
HEART RATE & SLEEP MONITORING – Tracks real-time heart rate automatically & continuously and automatically tracks your sleep duration & consistency with a comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle.
SMART WATCH – The CUQOO watch can connect to your android or apple phone easily. This means you can see and receive calls, text messages, calendar, SMS, and social media notifications on display helping you stay connected, never miss the messages that matter. Vibrates to notify you of incoming calls and messages.