Heart rate monitor for iPhones in comparison

IP68 Waterproof & Long Battery Life The IP68 waterproof provides daily protection like rain, hand washing and shallow water swimming. Take only 1-2 hours to fully charge and lasts up to 7-15 days standby and 5 days usage.

Accurate Fitness Tracker The micro voltage signal generated by the heart beating is amplified and processed directly to get the heart rate value instead of monitoring the blood flow through optical sensors and then converting it with software, which leads to the problem that the accuracy is affected by light and skin. Fitcent CL820W heart monitor sensor will accurately track your steps,calories consumption,distance traveled, heart rate. through this accurate measurement technology.

Continuous heart rate control. Works with several Apps in the Market

The latest generation heart rate band with dual wireless transmission Can be used with Uptivo app for members of uptivo affiliated fitness centers Ideal for training using heart monitoring in total comfort, during group or individual training, even outdoors. Precise heart parameter detection with all types of exercise from individual or group training in the gym (HIIT, spinning, etc.), to home workouts or running to the Uptivo park. Belt-D is used for use with most fitness tools available on the market and with the best fitness apps

Battery Life & Compatibility running watch Regular use up to 10-14 days, standby for 30 days. step tracker use magnetic fast charging provides better endurance experience.This whoop band is suitable for iPhone and android smartphone

TOP TIP Remove the protective PPG Sensor lense cover before use for improved accuracy.

HRM Dual heart rate transmitter. Note Product is compatible with all Garmin devices

1.4inch Full Touch Screen and Custom Wallpaper 1.4" TFT larger color screen with 240x240 resolution ratio offers excellent image quality, the full touch screen operation design brings you a better user experience, 2.5D glass makes your fitness trackers much more scratch-resistant. More than 100 dials on the Heroband III App for your choices, you can also set your photos or favorite pictures as the dial.

COOSPO Heart Rate Monitor Armband Patented optical sensor technology for highly accurate heart rate monitoring and measurement. It support continuously measure real time heart rate data during exercise.HW706 armband heart rate monitor can help you track and capture real-time heart rate, training zones and calories burned on your smartphone or tablet with compatible training apps.

Better Visual Experience 1.3" full-touch LCD display with the same material as smartphone delivers a better visual experience; IP68 waterproofing, scratch and dust resistance, allow you enjoy any sports without worry

Multifunctional Kids Smart Watch The watch comes with rich functions including cute live wallpapers,call sms message reminder,music & camera control through app,stopwatch,timer,alarm clock,etc.

LED Light Reminding HS500 has a flashing LED light that confirms your heart rate and connection, allowing you to easily stay focused and improve efficiency during any activity or exercise. After the sensor is properly worn, it will automatically turn on, the front LED flashes (turns off after 10 times). * Note The red light indicates that the monitor is ready to use.