You get to try them out, play with them, evaluate them until the novelty wears out, before you have to send them back, and you'll get paid for it.
و تقوم أنت بتجربتها، و اللعب بها، و بتقييمها حتى ينتهي حداثته ثم يطلب منك استرجاعها. و سوف ندفع لك مقابل ذلك.