6358673806983168 Businesspro Mall M5Stack 1 to 3 HUB Unit (行貨1年保養) HUB is one of the six Units in M5GO, allowed buy separately. This Units is used for GROVE port expanding. Notice: HUB is just a hardware expander, if you are lo Product #: businesspro-M5Stack 1 to 3 HUB Unit (行貨1年保養) 2022-06-15 Regular price: $HKD$15.0 Available from: Businesspro MallIn stock