You can also check Jarv Run-Fit PRO Activity Tracker Bluetooth Smartwatch Fitness Band for iPhone or Android w/OLED Display, 7 Day Battery, Blood Pressure & Heart Rate Monitor and Jarv Bluetooth Wireless Heart Rate Monitor and Sensor. Use with iPhone 8 7 6 6S 6 Plus, iPad Mini, Air , Pro and All Other Apple IOS Devices for a better comparison at Heartrate-monitor.biz.

Features  Built-in Ambulatory Pressure/Pulse and Heart Sensor full activity tracking heart rate, pressure, steps, distance, calories displays time, date, life, and stats  Charge for up 7 Days on a charge notifications and social alerts ,  Bluetooth synchronization your iPhone Android device updates no need to connect to device rated lightweight perfect for day use! Fully Programmable sleep and you track your day  Free and IOS App free tracks stores all activities data Specification  0.96" display Weight: dimensions: (length) 0.75" life: up to days Charging time: to 120 minutes Built-in lithium-polymer.
Login to see all details