Sentences with phrase «free cellphone calls»
Strayer personally doesn't even make hands - free cellphone calls while driving.
https://www.sciencedaily.com/ Not exact matches
Instead, the battery - free cellphone takes advantage of tiny vibrations in a phone's microphone or speaker that occur when a person is talking into a phone or listening to a call.
«First battery - free cellphone makes calls by harvesting ambient power.»
The LinkNYC project, which will replace old payphones, will also provide free phone calls and cellphone charging stations.
The National Transportation Safety Board announced last week that it is calling for all 50 states to ban all cellphone use (handheld and hands - free) for all drivers.
The plan, called My Circle, allows Alltel customers to designate up to 10 phone numbers that can be called for free, regardless of the cellphone carrier they're affiliated with.