Product parameters: Product size: 260 * 174 * 9mm Product color: black / white / Magnification: 3-4 times Product material: ABS plastic + Finier ultra clear blue lens Product weight: 350g Package includes: Cell phone screen magnifier * 1 3D HD SCREEN AMPLIFIER : HD screen, eye protection against blue radiation, no power. It will relieve the discomfort and visual fatigue causing by long time focusing on small screen. EASY TO USE, RECOMMENDED FOR ALL AGES: This Is An Eye Protecting Mobile Phone Bracket That Can Enlarge The Screen Of Your Mobile Up To 3,4 Times. FASHION AND SCIENCE AT ITS FINEST : Made Of acrylic lens, The Use Of ultra clear blue lens, Making The Picture Clearer. The Combination Of Technological Innovation That Creates A Smooth Stylish Appearance Of This Universal Amplifier Which Is More In Line With The Aesthetic Needs Of Modern People. COMFORTABLE AND PORTABLE : This Universal Amplifier Is Durable Based On Ergonomics Humanized Principle Fine Tuning Design Of The Use Distance And The Bottom Bracket Can Meet The Needs Of Different Users. Its The Size Make It Easy To Carry With You Wherever You Go (Office, Car, Plane, School, And Even In The Comfort Of Your Bed). BEST CHOICE OF HOLIDAY GIFTS : Simple and stylish design make this product your best choice of holiday gifts for your friends or loved ones.