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158 channel black color Tour Guide Equipment 100 Channels Groups for Tourism,Conference,Training,Church 008A tour guide system is detrusion by HUMANTEK CO.,LTD,The system adopts the international advanced wireless amplification technology,to realize the ... more
158 Channel Wireless Tour Guide System Microphone Church Translation System for Interpretation Training Court 008A tour guide system is detrusion by HUMANTEK CO.,LTD,The system adopts the international advanced wireless amplification technology,to realize...
158 Channel Wireless Tour Guide System Microphone Church Translation System for Interpretation Training Court 008A tour guide system is detrusion by HUMANTEK CO.,LTD,The system adopts the international advanced wireless amplification technology,to realize... more
