Product description New Version - 12'' 3D HD Phone Screen Magnifier with Bluetooth Speaker. The perfect solution for small screen and low voice of your mobile phone. A Good Gift for kids, help them protect their eyes from close viewing distance. The Best Gift for the old, help them to see the screen more clear. It is a great gift for any holiday and anyone. Key Features: Compatible with all smartphones. Non-sliding phone amplifier screen 12 Inch HD screen magnifier with bluetooth speaker Build-in USB output port,can be used as a emergency power bank or charging your phone while watching movies Folding design for business travel. You can use this phone projector anywhere. Easy to use,suitable for all the people,for kids,the old,and friends. Two charging methods: 1.Battery charging(1*18650 rechargeable battery) as a emergency powerbank to charge your phone.2. Use the usb charging cable to charge directly. Package Includes: 1* Phone screen magnifier 1* Bluetooth speaker base 1* 18650 rechargeable battery 1* USB charging cable 1* User manual Tips: The voice of Bluetooth Speaker will sound better when using battery than directly charging with cable without battery. When using the magnifying glass, the resolution of the screen will decrease, Please use it in low light conditions.