SMART WATCH

摘要

According to an embodiment of the present invention, a smart watch comprises: a dial including a display; a band extended from both sides of the dial to surround a wrist, and having at least one groove to face a blood vessel of the wrist; and at least one sensor module coupled inside the groove formed in the band to be in contact with the blood vessel of the wrist, and measuring a bio-signal of a user.