Strap and wearable electronic device including the same

A wearable electronic device, comprising:

• a housing, including a first connection pin detachably inserted in a first direction and a second connection pin detachably inserted in a second direction opposite to the first direction;
• a first strap detachably affixed to the housing via the first connection pin;
• and
• a second strap detachably affixed to the housing via the second connection pin,
• wherein the first strap includes:
• a body member having a groove formed at one end thereof and including a seated part in which an insert member is accommodated,
• a clip member coupled to the insert member, the clip member having distal ends formed outwardly defining an opening therein that extends lengthwise,
• wherein the groove provides flexibility so that the distal ends of the clip member flexibly expand when the clip member is rotatably coupled to the first connection pin.