Meilan C5 Heart Rate Sensor Chest Strap Fitness Tracker Heart Rate

[Wireless Dual Mode Technology-Bluetooth BLE4.0 / ANT +] Wireless connection via Bluetooth BLE4.0 / ANT + protocol, suitable for: bicycle computer, most popular smart phone apps (requires IOS9.0 or above or for Android6.0 or above), sports watches. APPs currently tested: Zwift, etc.[How to Choose a Wireless Connection Mode] ANT + connection mode: Icon + digital number displayed; Bluetooth connection mode: Icon + device name. When your computer supports only one connection mode,you need to refer to the specifications given by your computer manufacturer to select the correct connection mode.[Connection Status Indicator] Built-in LED connection indicator, LED flashes: Heart rate belt is waiting to be connected; LED is always on: Heart rate belt has been connected by the device; LED does not turn on or keeps on / off now: The battery run out and needs to be replaced. Note: The LED light will go out completely after 20 seconds of operation to save power.[Using replaceable batteries] The built-in replaceable coin cell CR2032 can be used for 6-9 months. The battery cover can be easily opened with a coin. You may need to replace the battery when LED indicator can not turn on or the LED is constantly on / off now or the displayed data at irregular intervals.[Application] The heart rate of the chest strap shows is an early warning for the health(HR max of different people is not the same, the estimated formula is 208-0.7*Age).Now your cardio workouts will be more effective.From gym to indoor cycling,via jogging and group exercise, track your heart rate and get an accurate calorie burn.Colour:White+blackMaterial:plasticPackage Contents:1 * Bicycle computer heart rate beltOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.