L doisTake apart the back cover of the tran smitterStep 2Take the spring apart from the plastic arm as pictures above twoStep 3Take the arm apart as above pictureStep 4Bring the arm to left side and assemble it as pictures above twoStep 5Assemble the spring into the arm as pictures above twoStep 6Take the sheet apart as picture aboveStep 7 Assemble the sheet to right side as picture above And now it is mode 2Step 8 Press both two buttons as pictures above two as picture, and then turn on thepower, you will see STICK 1 as picture belowStep 9 Press “ + ” button, and then you will see STICK 2 as picture belowStep 10 It ' s ready。