Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make your wireless headset wired [title] Buy a dc-dc step-up step-down module. [step] You can find them cheaply online. You'll need a few more tools, too, listed below.

Ending1: The module is the part that holds the wireless headphones. [title] Cut 1 inch (2.5 cm) off a piece of cardboard. Ending2: [title] Cut 2 strips of dc-dc 7/10 inches, two 1.6 in, eight 2.5 in. [step] 8 inch strips of dc-dc 8/11 inches make an audio output. Ending3: [substeps] The mixer should be small enough to fit in your basic router. [title] Cut the dc-dc step-up module to fit inside the mixer in a circular manner. Ending4: [title] Cut the usb cable about 6 "-10 " from the end that plugs into your pc or console. [step] This is where we'll connect the step-up step-down module.

Answer format: ending1/ending2/ending3/ending4