also: コードレス・ホン
cordless phone
A telephone handset that connects to the base station via radio waves, allowing use without a cord within a limited range.
We use a cordless phone at home.
I was talking on the cordless phone in the living room.
I took the cordless phone's handset up to the second floor.
I charged the cordless phone before going to bed.
The cordless phone rang, so I hurried to pick it up.