... camera, digital vidicon, optical mouse, Keyboard, USB flash disk,etc.5. Supports up to 127 USB devices6. Truly plug & play and hot swapping ... Shenzhen Certification Technology Service Co., Ltd. STE120418413 Card Reader with USB HUB (USB 2.0 Combo), CAT-0017, HB-025, HB-026 ... Report Shenzhen Certification Technology Service Co., Ltd. Card Reader with USB HUB (USB 2.0 Combo), CAT-0017, HB-025, HB-026 ...