| abstract |
Disclosed herein are a wearable device and method for providing feedback information through vein authentication or the measurement of a body composition. In an aspect, the wearable device may include a measurement module configured to measure the pattern of veins of a user, a communication module configured to send unique bio information about the user measured by the measurement module to a management server along with authentication information and to receive feedback information for the transmitted information from the management server, and a memory module configured to store the pattern of the veins of the user. |