1. Material: Acrylic+ABS 2. Mobile phone screen amplifier with built-in Bluetooth dual speaker audio 3. Do not delay students' online classes, make rapid progress without being nearsighted 4. Ultra-clear zoom to create a home theater 5. The details are restored and zoomed in, the best viewing effect is two meters away 6. Compatible with a variety of mobile phone sizes 7. Foldable storage, easy to carry 8. Battery: 2000 mAh 9. Product net weight: 628 grams 10. Screen size: 14 inches (245x135 mm) 11. Product size: 260 x 230 x 30mm (after folding)