ZTE Spro 2 MF97 (T-Mobile) Unlocked 4G LTE HD Portable Projector 200 lumen lamp with brilliant 4,000:1 contrast ratio 5 LCD touchscreen and wireless control options 6600 mAh battery for up to 2 hours of projection Wi-Fi hotspot capability for up to 10 compatible devices 4G LTE Capable Android 4.4 OS with Google Play Store