Description: Have you ever guessed your heart rate during the training? With this heart rate monitors, you can stop thinking it and all can be charge of in your hands. It provide real time analysis of your heart rate and calories burned during exercise. Track and capture real-time heart rate, distance, calories and pace on phone or watch when doing exercise. The best companion for sports lovers. Features: Bluetooth 4.0 Connection: Adopts Bluetooth4.0 to ensure a fast and stable transmission, use with APP to achieve data wireless transmission. Good Fitness Tracker: Provide real time analysis of your heart rate and calories burned during exercise via the smartphone. Waterproof: Support waterproof and anti sweat. Easy-washing design ensures to use it without worry during fitness. Sport Companion: Adjustable chest strap fits for the most of people. The comfortable and durable strap make sure wearing for a long time without pressure. Wide Compatibility: Suitable for Android, for iOS phones as well as Bluetooth 4.0 enable phone. Specifications: Bluetooth: 4.0 System Requirements: Suitable for Android 4.4 and above, for iOS phones, and phone with Bluetooth 4.0 Fit chest:70-120cm/27.5-47.2\
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