4-IN-1 HD PHONE SCREEN MAGNIFIER: 12 " HD 3D screen magnifier bluetooth speaker mini stand adjustable phone emergency power bank, a stylish desktop gadget, the perfect solution for the small screen and low voice from your mobile phone. Easy to Carry: The amplifier is lightweight and foldable, it is super thin after being folded so that you can carry it to anywhere you want. Suitable for indoor, camping, travel, leisure. PRESIDENT BLUETOOTH: wireless Bluetooth portable speaker, adds Bluetooth audio system with a diaphragm, louder volume. Easy to use: Use the USB socket for charging, suitable for, camping, tourism, leisure and other places. HD AMPLIFYING SCREEN: Take HD optical zoom technology, make the picture more clear, give you different visual enjoyment. Product description Size: 12 inches | Color: With Battery More and more people are using their smartphones to watch videos or movies, however, it becomes incredibly uncomfortable to watch a small screen for long periods of time, if you watch videos and movies often, our screen magnifier is perfect for you. Name: 12 " Smart Phone Screen Amplifier with Bluetooth Speaker Material: Acrylic glass Frame + ABS Multiple: 2-4 times applicable model: universal mobile phone Color: Black Output power: 5W Product size: 228 * 208 * 34.5mm Speaker specifications: 4 ohms / 5W Input voltage: 5 V / 120OMA Weight: 546 grams External battery: one 18650 rechargeable battery Warm Rating: Only the product itself, not including others. Please use this product in low light environment, the viewing effect will be more obvious and prominent. Adjust the brightness of the mobile screen to the highest during use. Due to different angles, the product image may have a slight color difference, and the product should be based on the actual product.