P09B is the second-generation product of P09, DLP lens, supports 4K output resolution, with high-definition input (HIDMI IN), supports 4K decoding, 4.1 Bluetooth, mobile phone with the same screen, automatic trapezoid proofreading, dual-band WIFI 2.4G / 5G, super strong Version AMLOGIC S905X chip, Android 6.0 system