The smart phone has become the major device for taking photos and filming. There are 800 hours of videos uploaded to YouTube every minute, and more YouTubers participating in generating videos. Because it is an era of we-media, there will be more and more people using video to promote himself. Nowadays, people can shoot 4k video by smartphones, but there’s no solution for people who want to shoot videos with good audio quality, without worrying about the issue of noise, time consuming, post-editing, expensive tools and long distance filming. This new product called WiMic, a wireless noise-reduction recorder for video-shooting on smartphones. The target audience will be YouTubers, video makers, travelers, families, bands, sports. Anyone who want to shoot good videos with great and clear audio quality will need wireless recorder like WiMic. In addition, there are some main features, such as noise reduction by ANR and ANC, light weight, long distance of audio recording, three-sound-tracks simultaneous recording and supporting live streaming, which help video-shooting lovers to produce better audio quality videos without noise and share them with friends and audience.