产品分类：Pocket Projector,品牌：3M,规格：Web Features <b>Features</b><br><li>Size: Fits in your pocket<br><li>Media: Connects to your favorite media sources<br><li>Brightness: 12 lumens in Brightness Boost mode <br><li>Image: Projects from 8" to 50"<br><li>Sound: Equipped with 2 speakers for built-in sound<br><li>Power: Up to 4 full hours of battery life (rechargeable),
