cordless

adj.	1.	operating without a wire connection to the companion communicating unit; - of telephones and other devices using e.g. radio or infrared signals to allow communication between devices without a direct wire link; as, cordless telephones have a very restricted range compared with cellular phones.
	2.	using a battery as a source of power; - of tools which usually use line current for power; as, cordless electric drills are very convenient for use outdoors; cordless razors make shaving while travelling easy.

Adj.

1.

cordless - not having a cord; "cordless telephone"

cord, electric cord