6 元券DB9CableAdapterUgreenUSBSerialRS232￥33.913去看看蓝富士科技发布了绿联UgreenUSB to RS232 COM Port Serial PDA 9 DB9CableAdapterCableAdapterOTGAdapterFemale￥25.40去看看LZY7 Flagship Store发布了8-Pin OTG To USB 2.0 Female Adapter Cable OTG CableAdapter R
