Change VVDI BE Key Frequency Mhz315 or 433 through VVDI MB tool

VVDI BE Key is improved Version for Benz XNBZ01CH Remote Key Chip. This video used VVDI MB Tool to change key frequency and use VVDI Key Tool to read key frequency. click here to buy VVDI BE key: http://www.eobdtool.co.uk/wholesale/xhorse-vvdi-be-key-pro.html