Take your workout routine to the next level with this Bluetooth heart rate wristband. It features optical heart rate measurement without the use of chest strap, offering ultimate convenience for monitoring body condition. This tracker also tells sleep quality with stats and graphs, giving a scientific calculation for wellness enthusiasts.

• 3D sensor for step, distance, and calorie.
• Sleep quality monitor with stats and graphs.
• Call and message reminder.
• 15-days workout memory.
• Features exercise reminder and vibration alarm.
• Optical heart rate measurement without chest strap.
• Convenient real time synchronization.
• Bluetooth 4.0.
• Compatible with IOS 7.0, Android 4.3 (or later versions).
• Rechargeable battery.
• Operates for 15 days after a full charge.
• Offers ultimate convenience for monitoring body condition.