Depending on the built-in features, a Bluetooth connection can often be configured so that the device talks only to specified other devices and is not discoverable except by them.

• 根据内建的特性，使用者可经常设定蓝芽连线，让装置只能与特定的器材通讯，除此之外，其他器材并无法搜寻到使用者的蓝芽装置。