2.4G Wireless Serial for mBot V1

Wireless USB between mblock and robot makeblock specifications version 2.4G Wireless Serial for mBot V1 Product Information N.W: 0.008kg Package Information G.W: 0.01kg, DIM (L×W×H): 8×12cm Carton Information 50pcs/ctn, G.W: 0.81kg, DIM (L×W×H): 30×21×12cm Warranty Part list 1 × 2.4G Wireless Serial Module 1 × 2.4G Wireless Serial USB