[3D HD mobile phone screen magnifying glass] the mobile phone magnifying glass adopts high-definition vision design, which protects the eyes from blue light radiation, resists blue light radiation, protects your eyes, and reduces visual fatigue caused by staring at small screen for a long time. [Bluetooth Connection] the viewing distance is better within 1.5-2.0m, and the viewing effect is better. However, the sound of the phone will be small. Therefore, this mobile phone amplifier adds Bluetooth function, which makes you stay home and experience the feeling of a small cinema. [Folding Design] folding design, light and compact, easy to carry, unfold when using, fold it into the box after use, greatly reducing the space occupation. [Broad Compatibility] for any smartphone, such as iPhone 11/12/ X / 8/8 plus / 7/7plus / 6/6s and all other Android phones. [High Quality Gift] modern fashion design makes this product a smart choice for gift giving. It can also be used as a traditional full page magnifying glass to read books or newspapers, which is a good gift for the old people.