用户很喜欢无线耳机的便捷，比如蓝牙A2DP系列。

Users appreciate the convenience of wireless headsets, such as Bluetooth A2DP devices.

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目前蓝牙手机、蓝牙耳机和蓝牙打印机等一系列蓝牙产品已经问世，这此产品的安全性如何一直是消费者关心的问题。

Now many Bluetooth productions such as Bluetooth mobile cell, Bluetooth earphone and Bluetooth printer have been produced, the security of this production is cared by consumer.

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