Tomohiro Abukawa, a 34-year-old hair stylist, said he liked the bone-conducting phone, noting railway stations and streets were often too noisy to talk.
"I may get this as it is also small," he said.
But one woman in her 20s said she found the phone "scary."
"Isn't this bad for your health?" she asked.
Another woman, in her 30s, said she was interested in the cellphone but was self-conscious.
"What troubles me is that I may look weird if I'm talking with the phone pressed between my eyebrows," she said.
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