Polar Grit X2 Pro Titan

Polar Grit X2 Pro Titan is a rough and rugged outdoor sports watch crafted for adventure with sapphire glass AMOLED display in titanium casing, and a hi-tech toolkit of navigation and performance features for exploring the wonders of the world, and the body.

Polar Grit X2 Pro

Polar Grit X2 Pro is a rough and rugged outdoor sports watch crafted for adventure with sapphire crystal glass AMOLED display, and a hi-tech toolkit of navigation and performance features for exploring the wonders of the world, and the body.

Polar Vantage V3

An ensemble of biosensing instruments, AMOLED display, dual-frequency GPS, maps, and the most comprehensive suite of training and recovery tools on the market. The stage is set, and the Polar Vantage V3 smart sports watch is ready to put in the performance of a lifetime.

Polar Ignite 3

Polar Ignite 3 is a stylish fitness & wellness watch that helps you live a more energized life. It tracks your sleep, activity, and heart rate to provide guidance that’s tailored to your body and lifestyle.

Polar Pacer Pro

Polar Pacer Pro is an ultra-light, new-generation sports watch with integrated barometer that equips athletes with advanced tools to improve running economy, training sessions, and sports performance.

Polar Pacer

Sport is play – why complicate it? Polar Pacer is a no-nonsense sports watch that gives new athletes all the essentials, plus the specialized training tools they need to train better.

Polar Vantage V2

A powerful convergence of minimalist design, innovative technology, and intelligent training and recovery tools make Polar Vantage V2 our most formidable sportswatch to date.

Polar Grit X Pro

Built for military-level durability with sapphire glass and ultra-long battery, equipping you with new navigation tools, always-on outdoor features and Polar's ultimate training solutions.

Polar Vantage M2

Designed for function, the Polar Vantage M2 works as hard as you do. Our industry-leading technology is here to help you reach your goals and come back stronger. For that athlete attitude.

Polar Ignite 2

A fitness watch that’s sleek, simple and smart? Polar Ignite 2 is a true triple threat. Versatile and full of great features, it’s the perfect companion for any sport and any lifestyle.

Polar Ignite

A waterproof fitness watch with advanced wrist-based heart rate and integrated GPS, Polar Ignite offers you a full view of your day and guides you towards a more balanced life.

Polar Unite

A beautifully simple watch with personalized daily workout guidance, 24/7 heart rate and activity tracking, plus automatic sleep and recovery applications.

Polar Vantage M

An all-round multisport & running GPS watch for anyone who loves setting new records. Polar Vantage M is a slim, lightweight training companion that gives you all the data you need to improve your performance.

Polar Grit X

An outdoor multisport watch with rugged yet lightweight design, ultra-long battery life and military-standard durability for anyone who prefers the trails over the roads.

Polar M430

A GPS running watch with wrist-based heart rate, advanced running features and Polar Running Program, Polar M430 is a top-level watch for runners who want more.

Polar Verity Sense

When freedom of movement is important to you, Polar Verity Sense is your go-to choice for any sport.

Polar H10

Widely regarded as the gold standard in wireless heart rate monitoring, this is the most accurate sensor in Polar’s history.

Polar H9

A reliable, high-quality heart rate chest strap for all your everyday sports with Bluetooth® and ANT+ connectivity. Get connected and get going.

Polar OH1+

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.


Personalize any watch for any style and any need.


Replace or upgrade your Polar Sensor chest straps or arm bands.

Power & Cables

For charging your products and data transfer.

Mounts & Adapters

Adapt your product for any situation.





Polar Grit X Outdoor Series

Made for outdoor sports and built to handle any environment nature can throw at you, Grit X watches are designed to help you explore the world and gear up for adventure.

Polar Vantage Performance Series

Our flagship series is tailored for high-performance and endurance sports and training. Every aspect of our Vantage watches are designed with one particular person in mind – the athlete.

Polar Pacer Multisport Series

The Pacer Series gives athletes all the essentials such as accurate GPS and precise heart rate tracking, plus the specialized training, sleep, and recovery tools they need to train better.

Polar Ignite Fitness & Wellness Series

Sleek, simple, and smart – Ignite watches are the perfect partner for any fitness goals and any lifestyle.

Troubleshooting V650 sync in FlowSync (Windows)

Please note, that when you plug your V650 into your computer it may take some time to establish the connection between your V650 and the computer. Be patient and wait for the sync to start.

If V650 sync doesn’t start in FlowSync or you get a “Connection error. Connection to Polar product lost.” error message, try the following steps one at a time.

  • If your V650 doesn’t charge properly, or if it doesn’t connect to FlowSync, remove and replug the USB cable.
  • Always connect your V650 directly to your computer’s USB port. Do not connect it via USB hub, computer docking station or USB extension cable.
  • Try the other USB port(s).

Be patient and wait for the sync to start.

Close FlowSync by right-clicking/secondary clicking the icon on your computer taskbar and choosing Close. Then restart FlowSync from your computer desktop icon.

Restart your computer while keeping the V650 connected to the USB port. V650 must be turned on and in the main view.

Press the side button and choose Turn off your V650, then restart the V650 by pressing and holding the side button. After the restart keep the V650 in the main view and be patient and wait for the sync to start.

Javascript and cookies need to be enabled for the connection to work. Usually they are enabled by default. See your browser's help for further instructions.

  • Windows 7: Go to StartControl PanelAdministrative ToolsServices. Make sure Bonjour Service is running and its status is Started.
    Windows 8 and 10: Use Search Window to open Services application.
  • Click Bonjour Service and Start the service or click Restart the service.

  • When you enable Bonjour Service, the mDNSResponder.exe process or Bonjour Service (Windows 10) appears on the list of running processes in Task Manager. The mDNSResponder.exe process belongs to the Bonjour for Windows service.

See below an example from F-Secure. If IPv6 traffic filtering option is set to Block, V650 connection can’t be established.

Also check that Bonjour Service or FlowSync aren’t blocked by any antivirus software.

Below you can see an example from F-secure.

You can temporarily disable the antivirus software and firewall and try syncing your V650 to make sure the antivirus software and firewall are not the root cause for the problem.

  1. Close all other running software, including the ones that start automatically when you start your computer.
    Windows 8 and 10: Choose Task managerStartup. Disable all other software except for FlowSync
    Windows 7: Choose StartSearch programs and files. Write msconfig. Choose StartUp tab and click the Disable all button. Disable all programs except for FlowSync. Click OKRestart.
  2. Restart your computer and make sure Apple Bonjour service is still running: Go to Control PanelAdministrative ToolsServices. Click Bonjour service and Restart the service. (click Start if the service is not running). Try syncing your V650 again.

Reconnect your V650 with the USB cable. Connect your V650 directly to your computer without using a USB Hub, computer docking station or USB extension cable.

Unplug all other USB devices from your computer.

Restart your computer keeping your V650 connected to the computer.

Retry syncing.

Check that V650 is shown on your computer as Remote NDIS based Interned Sharing Device.

  • Windows 7: Go to StartControl PanelDevice ManagerNetwork adapters.
  • Windows 8 and 10: Use Search Window to open Device Manager.
  • Your V650 is shown as Remote NDIS based Internet Sharing Device.

Remote NDIS driver is automatically included in the Windows operating system. If the driver is not found or correctly installed, you'll see an exclamation mark.

If there’s no sign that V650 is connected, click Scan for hardware changes.

To manually update the driver, right click/secondary click the device and choose Update Driver Software.

Choose Browse my computer for driver software.

Next choose Let me pick from a list of device drivers on my computer.

In the Select Network Adapter window, choose Microsoft Corporation and Remote NDIS based Internet Sharing Device. Click Next to finalize the driver update.

After the driver update, your V650 should be recognized and the sync should proceed.


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