... .4 port USB HUB 2.USB 2.0 Version 3.OEM service 4.Professional manufacture 5.Fast Delivery time 4 Port USB HUB Feature :1) USB HUB with 4 port, USB2.0 ... Shenzhen Certification Technology Service Co., Ltd. STE120418413 Card Reader with USB HUB (USB 2.0 Combo), CAT-0017, HB-025, HB- ... Report Shenzhen Certification Technology Service Co., Ltd. Card Reader with USB HUB (USB 2.0 Combo), CAT-0017, HB-025, HB- ...