Metal Bracelet can be adjusted by removing the pins from the removable links with a sharp tool. Note that only 6 of the links have pins that can be removed. Each link is around 1/4 of an inch in length thus giving you a 1.5 inches in adjustability. An example of a sharp tool to use is slim screwdriver. Instructions For How to Place Tracker: STEP 1) Remove band and metal pick from the box and place band opposite of design to display metal housing plate. STEP 2) Locate the four corners of the metal housing plate. Pick the corner where you will insert and lift the metal plate. STEP 3) Using the metal pick, gently place under the corner. STEP 4) With the metal pick, carefully lift the plate ; use a little more force if needed to lift and it will begin to open. STEP 5) Once opened place your fully charged tracker into its new home. STEP 6) Place metal plate back into the housing's opening and press until you hear a click.