Polar OH1 + Waterproof Optical Heart Rate Monitor

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Polar, a trusted name in athlete tech, designed the OH1+ to be more than just a heart rate monitor. It’s a versatile champion, comfortable for everything from swimming laps to crushing marathons. Wear it on your arm or attach it to your goggles – it adapts to your needs. Forget chest straps and clunky devices; this sleek sensor uses advanced tech to track your heart rate accurately. Plus, it connects seamlessly with various apps and sports watches, making data analysis a breeze.

Polar OH1 + Waterproof Optical Heart Rate Monitor

  •  Color: Black
  • Brand: POLAR
  • Material:  Nylon

Product Review

The Polar OH1 + Waterproof Optical Heart Rate Monitor is engineered to cater to the needs of a diverse array of athletes. At the heart of its design is the versatility to adapt to various sports without compromising performance or comfort. The device’s optical heart rate sensor employs 6 LEDs to capture precise heart rate data, ensuring reliability whether you’re engaged in high-intensity intervals or endurance training.
One of the OH1 +’s most notable features is its dual compatibility with Bluetooth and ANT+ devices, offering a wide range of connectivity options. The device includes a soft textile armband and a unique swimming goggle strap clip, ensuring it stays securely in place during any activity.


This design consideration is crucial for swimmers who have traditionally struggled with heart rate monitors that slip or interfere with their performance. Furthermore, the OH1 + is waterproof, making it suitable for all weather conditions and swimming sessions.
Battery life and memory are other areas where the Polar OH1 + shines. The device features a rechargeable lithium-ion polymer battery, offering ample power for long training sessions. Additionally, its built-in memory means you can train without your phone and transfer the data later, adding a layer of convenience for athletes who prefer to train unencumbered by devices.


  • Versatility: Compatible with various sports and can be worn on the arm or temple.
  • Connectivity: Offers Bluetooth and ANT+ connectivity, allowing for synchronization with numerous devices and platforms.
  • Comfort: Comes with a soft textile armband and swimming goggle strap clip for a secure, comfortable fit.
  • Convenience: Features a rechargeable battery and built-in memory, enabling device-free workouts and easy data transfer.
  • Waterproof: Suitable for use in all weather conditions and aquatic environments, enhancing its utility for swimmers.


  • Price: Some users may consider this expensive, especially those new to using heart rate monitors.
  • Compatibility: While extensive, some users may find issues with specific devices or platforms requiring troubleshooting.
  • Brand: POLAR
  • Material: Nylon
  • Color: Black
  • Compatible Devices: Smartphones
  • Screen Size: 0.96 Inches
  • Product Dimensions: 3.69″L x 0.41″W x 0.37″H
  • Item Weight: 77 Grams
  • Sensor Type: Wearable
  • Battery Description: Lithium-ion polymer
  • Key Features:
    • Versatile usage for various sports, including swimming, rowing, cycling, and running.
    • Comfortable fit with a soft textile armband and a swimming goggle strap clip for secure placement.
    • It has a 6-LED optical HR sensor for accurate heart rate monitoring.
    • Features a rechargeable battery and built-in memory, enabling workouts without a connected device and subsequent data transfer.

Read more about Best Heart Rate Monitors here


The Polar OH1 + is designed with comfort in mind, featuring a soft textile armband for arm-based activities like rowing, cycling, and running. For swimming, it includes a swimming goggle strap clip, ensuring the heart rate monitor stays in place against your temple, providing a snug fit without compromising your movement or performance.

The Polar OH1 + offers versatile connectivity options, including Bluetooth and ANT+. It can pair simultaneously with multiple devices, such as smartphones, sports watches (Polar, Garmin, Apple, Suunto, and others), bike computers, and gym equipment like Peloton.

The Polar OH1 + is waterproof and specifically designed to accommodate swimmers. It comes with a swimming goggle strap clip that securely attaches the heart rate monitor to your goggles, allowing you to track your heart rate accurately while swimming.

A rechargeable lithium-ion polymer battery powers the Polar OH1 +. While the exact battery life can vary based on usage, it is designed to support long training sessions. 

The Polar OH1 + utilizes an advanced 6-LED optical heart rate sensor to ensure accurate and reliable heart rate data. This technology allows it to capture precise heart rate measurements across various activities, making it suitable for athletes at all levels.

Yes, the Polar OH1 + has built-in memory, allowing you to track your workout and heart rate data independently of your phone. After your workout, you can transfer the data to your phone or other devices for analysis, offering convenience and flexibility for athletes who prefer to train without their phones.

The Polar OH1+ is here to be your comfy workout companion! This versatile heart rate tracker sits snugly on your arm or temple, even when splashing in the pool. Get real-time heart rate data to understand your body and push your workouts to the next level. Plus, it connects with your favorite fitness apps and watches for a complete picture of your progress. Sure, it might cost a bit more, but for athletes and fitness enthusiasts who want to unlock their full potential, the OH1+ could be the missing piece.