How to Conduct Home Trainings through Whatsapp? (Video) 如何使用 Whatsapp来作家中训练？（视频）

How do conduct home trainings through Whatsapp?

Conducting home training through Whatsapp without being limited by TIME&SPACE!

(Source: https://www.facebook.com/799983136802942/videos/vb.799983136802942/834432196691369/?type=2&theater)