1·Turtle Beach XP400 Gaming Headset offers surround sound with superior technology.
乌龟海岸XP400游戏耳机采用先进技术，配有环绕立体声。
2·Most consumers see Bluetooth as merely a way to wireless pair a cell phone with a headset, but the technology is capable of transferring files, and even can be used by advertisers.
大多数消费者仅仅把蓝牙看作匹配手机和耳机的一种无线方式，但蓝牙技术足以用于传送文件，甚至能被用来为广告主分发广告。
3·Both Dr. Black and Davis admitted that they still own two cell phones each, but are careful to use a headset or speakerphone, and only make calls in areas with good reception.
布莱克博士与戴维斯都承认他们本人各有两台手机，但在耳机与扩音器的使用上相当慎重，并只在信号良好的的地方打电话。
4·He also recommends using speakerphone or a wireless headset to avoid placing the phone on your ear.
他也建议使用对讲装置或无线耳机以避免把手机放在耳朵上。
5·One is a two-wheeled robot that can be moved forward by a user standing at a distance, who wears a battery-powered headset that transmits signals wirelessly.
其中的一个就是二轮机器人，在一段距离以外的使用者可以通过电池供电的耳机发出指令，无线遥控机器人。