![Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET](https://www.cnet.com/a/img/resize/e30a762c23e356287abeecb843d958f2fffe3036/hub/2014/11/18/97390ec4-0385-495c-bcf4-4496555bb14c/polar-m400-product-photos-09.jpg?auto=webp&width=1200)
Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
![Silicone Wristband for Polar M400/ Polar M430 GPS Running Smart Watch,Replacement Watch Strap for Polar M400/ M430 (White) | Walmart Canada Silicone Wristband for Polar M400/ Polar M430 GPS Running Smart Watch,Replacement Watch Strap for Polar M400/ M430 (White) | Walmart Canada](https://i5.walmartimages.com/asr/b79e4125-2a1c-4faf-926c-d401ca1ea174_1.d31f6f3a8c4c6e3dd0e596f54f1ac890.jpeg?odnHeight=450&odnWidth=450&odnBg=ffffff)
Silicone Wristband for Polar M400/ Polar M430 GPS Running Smart Watch,Replacement Watch Strap for Polar M400/ M430 (White) | Walmart Canada
![Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET](https://www.cnet.com/a/img/resize/112e2231e0572aad6a5a0f650d7e175d100dbf5f/hub/2014/11/18/d4058596-e577-4eda-8536-a2398b2f808e/polar-m400-product-photos-19.jpg?auto=webp&width=1200)
Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
![White Polar M400 GPS Smart Sports Watch great working condition! - bicycle parts - by owner - craigslist White Polar M400 GPS Smart Sports Watch great working condition! - bicycle parts - by owner - craigslist](https://images.craigslist.org/00G0G_14h2gQSIDwuz_0lM0t2_600x450.jpg)