Gu Zhiqi took the bracelet, slightly lowered her gaze, and began to fiddle with it.
Spiritual power immediately penetrated into the bracelet.
A few seconds later, she looked up at Su Yunling, "A spatial formation engraved?"
Su Yunling raised her eyebrows, her peach blossom eyes slowly spreading with amusement, "You know quite a bit."
After hearing this, Gu Zhiqi murmured softly, "I just know, that's all."
There are generally two methods to refine a storage device.
One uses rare materials, coupled with various chemical reactions and programming control, to carve out a third space, and then insert the brainwave program of the user, allowing the device to be controlled by thought.