Blood Oxygen Sensor Heart Rate Click GY-MAX30102 Sensor Optical Heart-Rate Monitor Module for Arduino;

Features
Optical Heart-Rate Monitor and Pulse Oximetry Solution
Tiny 12.7mm x 12.7mm (0.5in x 0.5in) Board Size
Low Power
Device Drivers
Free Algorithm
Example C Source Code For Arduino And mbed Platforms
Test Data
Competitive Advantages
Highly-integrated, small-size sensor
Non-chest based heart-rate/SpO2 detection
Ultra-low power consumption
Applications
Wearables
Heart-rate monitor
Pulse oximeter
Package Included:
1 X Heart Rate Click MAX30102 Sensor