4K HDR High definition 5g Trapezoidal correction Intelligent temperature control WiFI Surround horn USB Headphones Bluetooth Mobile phone on the same Screen Light Source: 2.69-inch LCD(Cool Tune Luminance level (ANSI): 140 (High Shell and High Transparency) Physical Resolution: 1280 * 720 Pixels Interface: HDMI/USB/USB Focusing Method: Electric Focusing System: Android 7.1 (Smart Image) Chip: RK3128+ Intelligent Imaging System Memory: 1GB + 8GB Wireless Support: 2.4G/5G Dual Band