An electronic assistant apparatus and computer peripheral device comprising the same are provided. The computer peripheral device comprises an input apparatus and the electronic assistant apparatus. The input apparatus is configured to generate an input signal in response to a user operation. The electronic assistant apparatus is detachably connected to the input apparatus. The electronic assistant apparatus comprises at least one sensor, a bio-signal process module, and a transceiving interface. Each of the at least one sensor respectively detects a bio-signal. The bio-signal process module is configured to process each of the at least one bio-signal to respectively obtain a noise-removed bio-signal. The at least one noise-removed bio-signals and the input signal are transmitted to a computer apparatus.一種電腦周邊設備及其電子輔助裝置。電腦周邊設備包含一輸入裝置及該電子輔助裝置。該輸入裝置用以因應一使用者操作以產生一輸入訊號。該電子輔助裝置可分離地與該輸入裝置連接。該電子輔助裝置包含至少一感測元件、一生理訊號處理模組以及一傳送接收介面。各該至少一感測元件分別用以感測一生理訊號;該生理訊號處理模組用以處理各該至少一生理訊號以分別得一雜訊移除生理訊號。該至少一雜訊號移除生理訊號及該輸入訊號被傳送至一電腦裝置。1‧‧‧電腦周邊設備10‧‧‧輸入訊號11‧‧‧電子輔助裝置13‧‧‧輸入裝置14‧‧‧電腦裝置110a、110b、110c、110d‧‧‧生理訊號111a、1l1b、111c、111d‧‧‧感測元件112‧‧‧雜訊移除生理訊號113‧‧‧生理訊號處理模組115‧‧‧傳送接收介面
