"* 4K ePTZ camera 4K resolution and 4 times digital zoom, 94° wide view angle with automatic color balance, everyone clearly presented in the scene *Auto-Framing With Ai auto framing and facial tracking feature, it will follow your movements and always keep you at center stage * Ai Speaker Tracking Built-in intelligent analysis algorithm, it will track speaker's voice in real time to frame and keep the speaker at the center of the screen. * Microphone array Built-in 2 highly sensitive microphone array for 360° voice pickup with radius up to 7m, Wide coverage and clear reception. * Hi-Fi Speaker Built-in Hi-Fi speaker unit and professional cavity design with inverter tube. It will reduce voice distortion and give more bass which make us feel real."