Rich Source has founded 12 years and launched a new flagship model KTA-PLUS. This model has a built-in Android 8.0 version with 4G RAM and 32G ROM. Fast booting in only 10 seconds. Supports USB smart sharing function, 9-way split screen mirror function, with 5G 802.11AC Wi-Fi sharing, 4K UHD resolution, digital whiteboard software, navigated compass function, automatically switch terminals while turn-on…etc. More functions are waiting for you to explore!