VCH51 – Yealink Sharing Box Yealink Sharing Box VCH51 is simple to use, deploy, and manage. It allows users to present the PC content to a Yealink video conferencing system, delivering a stable and clear presentation experience. Besides, VCH51 enables users to enjoy the BYOD mode. (Currently, only MeetingEye 400/600 and MeetingBar A20/A30 video conferencing systems support the BYOD feature) Users can select the Yealink video conferencing system as the PC audio and video device to have a better video conferencing experience.