Waterproof Bluetooth 4.0 Wireless Heart Rate Monitor Wireless Heart Beat Belt Sports Perform Calories and Fat Calculation
$29.99
Origin: CN(Origin)Model Number: otherBluetooth: 4.0Battery lifetime: about 700 hoursFitchest: 70-120cm/100-150cmTransmission range: less than 30mWaterproof: 10mFeature 1: Made of good quality material, durable to useFeature 2: It can be used as...