Polar OH1 Optical Heart Rate Sensor, M-XXL, Gray

Providing versatility, comfort and simplicity, the Polar OH1 is an optical heart rate sensor worn on the arm. Whether running, riding or rocking a workout at the gym, this heart rate monitor armband accurately and consistently captures heart rate using Polar's proprietary heart rate algorithm and 6-LED solution. With Polar OH1, nothing stands between you and your goals.

Get Connected

Pair with your favorite Polar product
Looking for an alternative to chest straps? Polar OH1 works with all Bluetooth-compatible Polar sports watches, fitness trackers and cycling computers.

Sync Up

Turn your phone into a training partner
Polar OH1 streams real-time heart rate to many popular fitness apps on both iOS and Android phones. Try Polar OH1 with Polar Beat, Polar's free fitness and training app, to get live heart rate data right on the screen of your phone and audio guidance to your headphones during your workout.

Go Solo

Versatile enough to stand alone
Prefer training without a watch or phone? Polar OH1 has internal memory that can store up to 200 hours of training data. Easily sync your data to Polar Flow, Polar's free app and web service, via Bluetooth or with your computer via the USB adapter.

Optical Heart Rate Tracking
You demand accuracy when you train. Get it with Polar's proprietary heart rate algorithm and 6 LED optical sensor.

Go Live
Use Polar OH1 to broadcast your live heart rate to any Bluetooth-compatible Polar product, many third-party fitness apps and Bluetooth-compatible gym equipment. Try Polar OH1 in your favorite group fitness class that uses Polar Club.

Put In The Hours
With its built-in memory, Polar OH1 can store up to 200 hours of training data. After your workout, sync your data to Polar Flow with either the Polar Flow app or web service.

Performance Armband
Details matter when performance counts. The Polar OH1 armband is designed to fit securely and comfortably around your arm. Engineered for supreme wear ability, it's made of a soft textile material that is machine-washable for everyday use.

Stay Current
Over-the-air firmware updates to enhance Polar OH1 functionality.

Charged Up
Polar OH1 boasts a long battery life with up to 12 hours of training time on a single charge. Easily charge the battery with the included Polar OH1 USB adapter.

Take The Plunge
Polar OH1 is waterproof up to 98.42'.

Upper or lower arm? You decide
Easy to put on when and where you want to, Polar OH1 has the flexibility to be worn on the upper or lower arm.

Recommended for you
Polar OH1 works with all Bluetooth-compatible Polar sports watches, fitness trackers and cycling computers.