Colorlight A35 Advertising Screen Media Player: Control and network device for LED advertising screens, supports 4K resolution, Android system, 8GB storage, and cloud content management. The device has the following inputs: USB flash drive input SIM card slot, supports 4G Internet inputs WiFi antenna Includes a 12V charger Supports video and picture scaling, multi-window playback and overlay, you can freely adjust the window size and position up to two high-definition windows or one 4K video playback window at the same time. Dual-band and dual-mode WiFi network, supports 2.4G and 5G WiFi bands or WiFi hotspot mode or WiFi client mode.