wherein the conductive portion is connected to the electronic device; the buckling grooves and the buckles are conductive such that the buckles are buckled to {HEAD ~ the bucking grooves} in {TAIL ~ assembly}; the auxiliary conduction portion with the conductive portion can measure data so as to increase the accuracy in measurement; the processor can measure physiological data through the conductive portion and the data is displayed on the display; the electronic device transfers data wirelessly 
in
wherein the conductive portion is connected to the electronic device ; the buckling grooves and the buckles are conductive such that the buckles are buckled to { HEAD ~ the bucking grooves } in { TAIL ~ assembly } ; the auxiliary conduction portion with the conductive portion can measure data so as to increase the accuracy in measurement ; the processor can measure physiological data through the conductive portion and the data is displayed on the display ; the electronic device transfers data wirelessly
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