There are 3 styles to choose from, please choose the correct one.Different model has different interface and appearance, please choose suitable model before purchase,thanks (1) 11 in 1 Model :Material: Aluminum alloy Size: 250mm*80mm*(16mm, 8mm)/9.84*3.15*(0.62, 0.31)inchLength of Cable: 290mm/11.42inchInterfaces: USB Type C male portPort-1: USB 2.0, Type A Female PortPort-2: SD Card SlotPort-3: Micro SD Card Slot, TF Card SlotPort-4: USB 3.0, Speed up to 5Gbps, Power Supply Up to 5V-900mA 4.5WPort-5: USB Type C Female Port for Data Transmiion, Speed up to 5Gbps, Power Supply Up to 5V-900mA 4.5WPort-6: USB 3.0, Speed up to 5Gbps, Power Supply Up to 5V-900mA 4.5WPort-7: Ethernet Network Adapter RJ45 Port, 10/100Mbps, Not 1000MbpsPort-8: HDMI max support 4K 30Hz, Downwards Compatible with 1080P, 720P etc.Port-9: DC 3.5mm Audio Jack PortPort-10: VGA max support 1080P 60Hz, Downwards Compatible with 1080I, 720P etc.Port-11: USB Type C PD 87W Charging Port*********************************************************(2) 8 in 1 Model :Material: Aluminum alloyLength of Cable: 290mm/11.42inchInterfaces: USB Type C male portPort-1: Ethernet Network Adapter RJ45 Port, 10/100Mbps, Not 1000MbpsPort-2: SD Card SlotPort-3: Micro SD Card Slot, TF Card SlotPort-4: USB 3.0, Speed up to 5Gbps, Power Supply Up to 5V-900mA 4.5WPort-5: USB 3.0, Speed up to 5Gbps, Power Supply Up to 5V-900mA 4.5WPort-6: HDMI max support 4K 30Hz, Downwards Compatible with 1080P, 720P etc.Port-7: USB Type C PD87W Charging PortPort-8: USB Type C Female Port for Data Transmiion, Speed up to 5Gbps, Power Supply Up to 5V-900mA 4.5W ********************************************************* (3) 6 in 1 Model :Material: Aluminum alloyInterfaces: USB Type C male portPort-1: HDMI max support 4K 30Hz, Downwards Compatible with 1080P, 720P etc.Port-2: USB 2.0, Type A Female PortPort-3: USB 3.0, Speed up to 5Gbps, Power Supply Up to 5V-900mA 4.5WPort-4: SD Card SlotPort-5: Micro SD Card Slot, TF Card SlotPort-6: USB Type C PD 87W Charging Port*********************************************************Please note:1. Make sure that the host USB-C port on your device complies with the USB USB 3.1 specification,or Thunderbolt 3 port.2. To use the HDMI output port, the host USB-C port from your device must support DisplayPort Alt Mode.3. To use the Power