1、FRESNEL LENS: Phone screen magnifier features a high definition fresnel lens with HD zoom optics that is radiation proof and more than 10 times clearer than ordinary lenses. 2、EFFECTIVE SCREEN MAGNIFICATION: Phone screen enlarger effectively doubles the screen size so you can enjoy HD movies and videos on your phone. Add a Bluetooth keyboard and use it for HD gaming. 3、BLUETOOTH SPEAKER: Phone screen magnifier comes with a Bluetooth speaker that provides stereo sound and video while watching movies. The best viewing distance is 1‑5m / 3‑9ft. 4、PRESERVE YOUR EYES: Phone screen enlarger preserves your eyes from nearsightedness and radiation damage and relieves visual fatigue and discomfort caused by prolonged concentration. 5、EASY TO USE: Phone screen magnifier with Bluetooth speaker is easy to use, non slip, with a folding adjustable phone stand, suitable for indoor, camping, travel, leisure and other places. 6、COMPATIBLE MODELS: Screen amplifier is compatible with all smartphones, such as for iPhone 11 pro X Xs Xr 8 8 Plus 7 7Plus 6 6s, for Samsung Galaxy S9 Note 10 9 8 7 6 5 Edge and all other for Android phones. 7、SUPPORTED DEVICES: Phone screen amplifier supports wireless Bluetooth portable speakers, FM sound, micro storage card, mini emergency power, and 5mm/0.1in sound cable connection. 1 x Phone Screen Magnifier with Bluetooth Speaker1 x Charging Cable1 x Instruction Manual Item Type: Phone Screen Magnifier with Bluetooth SpeakerMaterial: Acrylic, ABSBluetooth: 5.0Output Power: 5WBuilt In Battery: 18650 1200mAh