Experts say people who are concerned about mobile phones can take steps like using a wired head-set.
专家说那些关心的是像手机可以采取措施用免提装置。
Disadvantages can include a slower connection than a wired network and interference from other wireless devices, such as cordless phones.
缺点包括连接速度比有线网络慢,并且会受到其他无线设备(如无绳电话)的干扰。
I think this is real, 'he said, suggesting people used wired earpieces to talk on cell phones.
“我觉得这是真的,”他说。他建议人们在接打电话时使用有线耳机。
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