B00I8SJR50 Pyle Bluetooth Smart Heart Rate Sensor for iPhone and Android Phones, Works with Polar ALA Coach & MotiFit Strava Apps Bluetooth LE Sensor

Make sure this fitsby entering your model number. Bluetooth 4.0 Wireless Technology – Effectively Tracks and Records Heart Rate – Does Not Interfere With Sport Performance Measures Your Heart Rate – Works for iOS Devices (iPhone 4S, iPhone 5, iPad, iPad mini) and Android Devices 4.3 & Later (Samsung, HTC, Sony, LG, Motorola)-Soft Fabric Strap for Comfort Heart Beats Per Minute Wirelessly Transmitted – Monitor Your Health – Improve Your Performance and Make Your Training More Fun Download the App APA COACH+ free via App Store – Provides Instant Wireless Feedback and Data – Batteries 1 x Button Cell (Type: CR2032) Also compatible with other training and fitness APPs on the market – Easily and Comfortably Wraps Around Your Chest