portable

I bought a portable charger so I can power my phone while camping in the woods.

(Chinese) 我买了一个便携式充电宝，这样我在森林里露营时也能给手机充电。

The portable radio was small enough to fit into the side pocket of his backpack.

(Chinese) 这台便携式收音机很小，足以装进他背包的侧袋里。