Heart Rate Monitor Armband, Bluetooth 5.0/ANT+ HR Monitor, Rechargeable Fitness Tracker with 110 Hour Battery Life, HR Zone LED Indicator, IPX6 Waterproof, for Running, Cycling, Exercise, Other Sports

【±1BPM High Precision】Patented optical sensor technology delivers highly accurate heart rate monitoring, with a margin of error of just ±1 BPM. Continuously tracks real-time heart rate data throughout your workout for reliable performance you can trust.
【Bluetooth 5.0 & ANT+ Dual Mode】Equipped with both Bluetooth 5.0 and ANT+, the Ridingmark heart rate monitor seamlessly connects to smartphones, GPS bike computers, sports watches, and fitness equipment from well-known public brands.
【110-Hour Long Battery Life】A full charge takes only 30 minutes and provides over 110 hours of use — so you can stay focused on your workout. To maximize battery life, always use the included magnetic charging cable. Using other cables may cause charging failure.