PROBLEM TO BE SOLVED: To provide an ear-worn device capable of acquiring various kinds of pieces of information with a high degree of accuracy and capable of bringing about a relaxation effect.SOLUTION: An ear-worn device (1) comprises a holding part (a holding body 1a and a clip part 1b) for holding at least one in regard to each of an information acquisition part (a skin gas sensor 1c) for acquiring a wide variety of information and an output part for outputting various physical amounts.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】複数の種類の情報を精度高く取得できるとともに、リラクゼーション効果が得られる耳装着型装置を提供する。【解決手段】耳装着型装置(1)は、各種情報を取得する情報取得部(皮膚ガスセンサ1c)および各種物理量を出力する出力部のそれぞれについて、少なくとも1つを保持する保持部(保持本体部1a、クリップ部1b)を備える。【選択図】図2