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MARS 400S PRO UNBOXING! AWAKEN THE POWER💪

Hollyland October 19, 2020

Meet Hollyland Technology MARS 400S PRO, a brand-new SDI+HDMI prosumer wireless transmission system. The MARS 400S PRO is featuring a new industrial design and many upgraded functions from the original MARS 400S. It’s time to hop on another reliable wireless video and audio transmission experience😍