Interactive system with angle locking function

The invention provides a mouse device which comprises a mouse shell, a detection switch and a control chip. The mouse shell is used for being held by a user and operated on a working surface. The detection switch is arranged on the mouse shell and outputs a detection signal according to operation of a user. And the control chip is electrically coupled with the detection switch and is used for starting and stopping an angle locking function according to the detection signal. 提供包含鼠标壳体、检测开关以及控制芯片的一种鼠标装置。所述鼠标壳体用于供使用者握持并操控于工作表面上。所述检测开关设置于所述鼠标壳体上并根据使用者的操作输出检测信号。所述控制芯片电性耦接所述检测开关，用以根据所述检测信号启闭角度锁定功能。