Send the following on WhatsApp
Continue to Chathttps://www.networkhardwares.com/products/aver-comvbm20m-aver-expansion-microphone20m-for-vb342-and-vb342-plus-comvbm20m
https://www.networkhardwares.com/products/aver-comvbm20m-aver-expansion-microphone20m-for-vb342-and-vb342-plus-comvbm20m