FEATURES
．Six-color heart rate intensity light display
．Wireless transmission technology
．Compatible with sport watch, cycling computer, fitness equipment and smart devices with NCF, Bluetooth 4.0 and ANT+ features; work with most Bluetooth Smart Fitness Apps.
．The built-in memory can record and store heart rate data and SPM( steps per minutes) independently; there is no need bringing your smart phone or wearing a smart watch during workout sessions.
．Synchronize the data with the Ala Connect app via Bluetooth and view training report anytime and anywhere.
． The sensor and armband together are less than 20 grams. Can be worn comfortably on either forearm or upper arm.