Polar’s latest watch promises 40-hour battery life with all features on
Polar's latest multisport watch promises a battery life that could sate the most dedicated of fitness enthusiasts. The company claims Grit X can run for up to 40 hours on a single charge, and that's with all of its features activated. With power save…
Source
Polar's latest multisport watch promises a battery life that could sate the most dedicated of fitness enthusiasts. The company claims Grit X can run for up to 40 hours on a single charge, and that's with all of its features activated. With power save… Source
