WODWIN webcam 1080p WIN-DC4 is USB three-in-one web camera integrates FHD camera, microphone, speaker and audio DSP as one device that is compact and easy for deployment. With 94° field of view HD 1080p camera, The omnidirectional microphone will allow voice pick-up range up to 3 meters and high-power speaker with AGC automatic gaind help on echo cancellation.USB drive-free, plug and play, webcam for laptop pc, good for online education, teleconference, live broadcast.