METHOD OF USEWHEN YOU NEED TO CHECK THE INFORMATION, WATCHING THE WONDERFUL PROGRAMS, AT THE SAME TIME YOU REALLY WANT TO EAT SOMETHING, WRITE DOCUMENTS, TALKING ON THE PHONE OR TAKING CARE OF THE CHILDREN, THEN MOBILE BRCKER IS YOUR GOOD HELPER, YOU ONLY NEED TO CLIP IT ON THE TABLE, CABINETS, DESKTOP COMPUTER, AUTOMOBILE PLATE HAS A CERTAIN THICKNESS CAN BE USE.PRODUCT SPECIFICATIONS 1. GOOSENECK PIPE : 60CM, CAN BE ARBITRARILY CURVED 2. THE BOTTOM CLAMP: ALUMINIUM CLAMP, THE MOST THICK CAN BE CLAMPED 55MM.