Product Name 12 inch Phone 3D Video Screen Amplifier with bluetooth speaker Material abs+Acrylic lens Function Mobile Phone Screen Magnifier 3D + bluetooth speaker watch distance 1-2 m Payment Western Union, T/T, PayPal ,Money Gram,Credit Card,trade assurance Description: Feature? Screen Amplifier with Bluetooth Speaker - HD acrylic lens screen magnifier with stereo sound,magnifying your phone screen 2-4 times to avoid visual fatigue.Just put the phone into the screen amplifier, you can easily enjoy the home theater-like effect. Mobile Phone Screen Amplifer with hands-free function - When you connect to Bluetooth, use your phone to watch movie videos. No need to pick up your phone, just press the hands-free button to answer. You can keep to use 3D HD movie video screen amplifier to watch movie. Compatibility - This mobile phone screen enlarger adopt HD zoom optical technology, no battery needed. Suitable for all smartphones, such as iPhones X / 8/8 Plus / 7/7Plus /6/6s, Samsung Galaxy S7