Wearable devices, such as worn on a wrist, are provided. The wearable device (100) may include a body (101) enclosed by: a front shaped as a rounded square or a rounded rectangle； a back opposite to the front； and an upper side (180A), a lower side (180B), a left side and a right side, which couple the front and back and are between the front and back. The wearable device (100) may also includes: an upper band (102A) coupled to the upper side (180A)； a lower band (102B) coupled to the lower side (180B)； a display (260) placed on the front of the body； a camera module (291) disposed on the upper side (180A)； and a key (256) disposed on the lower side (180B), the key (256) being operated by being pressed.
