Fitness Tracker Smartband Bluetooth Puls Promedix PR-450. Band communicates with the device via Bluetooth with the Yoho Sports mobile application, which you can download from Google Play.
System requirements: Android 5.0 or higher, iOS 8 or higher
Battery type: Lithium-Polymer
Working temperature: -10 / 50C
Sensor: low power accelerometer
With one touch of a finger learn information such as: distance covered, number of steps, heart rate, blood pressure, quality of sleep