Earphone

Abstract

This item is a bone conduction earphone that can be used without inserting it into the ear canal. When in use, it is fixed by using the spring force of the "hook part" that connects the "sensor part" and the "driver part" to sandwich the user's earlobe. The fixed state is shown in "Reference Diagram 1 showing the usage state". Since this item has a built-in vital sensor, it can be connected to a separate mobile information terminal or the like to obtain various biological information of the user (such as heart rate, RR interval, etc.). The state of connecting this item to a mobile information terminal by wire is shown in "Reference Diagram 2 showing the usage state".

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