The present invention provides a biosensor and an electronic device. The biosensor comprises at least two light emitters and at least one photo detector. The at least two light emitters comprise a first light emitter and a second light emitter, and the first light emitter emits light whose wavelength is greater than 1000 nanometer (nm)； the at least one photo detector is configured to receive the light reflected by a human body to generate a plurality of physiological signals, wherein the physiological signals are arranged to obtain at least two physiological features of the human body.本發明提供了一種生物感測器以及電子設備。生物感測器包括至少兩個光發射體和和至少一個光檢測器。至少兩個光發射體包括第一光發射體和第二光發射體，其中至少一個光發射體發射波長大於1000nm的光。至少一個光檢測器用於接收人體反射的光，以產生多個生理信號，其中多個生理信號被設置為獲得人體的至少一個生理特徵。通過本發明可以有效和準確地測量人體的一個或多個特定層，獲得人體的至少一個生理特徵。
