V9 Bluetooth ANT+ Heart Rate Monitor Armband, Rechargeable HRM Sensor IP67 Waterproof Optical Armband Heart Rate Monitor for Peloton, Zwift, Wahoo Fitness, Polar Beat, Endomondo

[ATHLETE TESTED RELIABILITY]Our heart rate monitor armband has been tested by professional marathon runners, mountain enthusiasts and mountain cyclists. It shows that V9 built-in precision optical heart rate sensor technology provides highly accurate monitoring and measurement during your each exercise to help you optimise and get most out of your workout![BLUETOOTH & ANT+ DUAL MODES]V9 armband heart rate monitor support all device with Bluetooth and ANT+. Easy to connects with smartphones, tablets, GPS watches and bike computers. Track and capture real-time heart rate, training zones and calories burned on your smartphone or tablet with compatible training apps.[APPS COMPATIBLE]Compatibility-iOS mobile devices: iPhone 5 and later, with iOS 11 or later. Android mobile devices with Bluetooth 5.0 capability and Android 5.0 or later. Works with most mainstream health and fitness apps like Wahoo Fitness, Endomondo, Zwift, Polar Beat, DDP Yoga, Map My Run, Peloton, and more.[BUILD QUALITY] heart rate monitor adopt IP67 grade waterproof design, which meet your daily indoor or outdoor fitness. Comes with a rechargeable battery that allows you to work out up to 20+ hours. LED indicator makes it easy to see if your device is connected and working.[UNRIVALED WARRANTY]Unlimited replacement of adjustable armbands. If you have any questions, please contact us andwill reply your message in less than 24 hours. Note: Please charge the activation sensor when used for the first time.