POLAR Heart Rate Monitor Set OH1 arm belt

specifications based on POLAR website:

Polar OH1 is an optical heart rate monitor that combines versatility, comfort and simplicity. You can use it both as a standalone device and pair it with various fitness apps, sports watches and smart watches, thanks to Bluetooth and ANT+ connectivity.  The Polar OH1 + product package includes a swimming goggle strap clip for easy use in the pool. The small and handy Polar OH1 is your companion in entering the world of heart rate training. It helps you to train smarter, not harder.

Connect with Bluetooth & ANT+
The connectivity options on Polar OH1 are abundant. You can use the Bluetooth and ANT+ connections simultaneously and get your heart rate streamed to multiple devices in real time. Your aquatic as well as solid ground sports are all equally tracked by Polar OH1.

Comfortable armband:
You can wear Polar OH1 on both your upper and lower arm. It’s easy to put on and take off anywhere, anytime. The armband is changeable and has stylish colours. Clip on to your goggles. When you're in the pool, place Polar OH1 in its clip on your goggles. It stays in place, allowing you to concentrate on your swimming. The Polar OH1 + product package includes a swimming goggle strap clip for easy use in the pool. Take your phone with you or leave it behind: you have a wealth of options to cover all your needs.