Full-Featured Type-C Interface: Data transmission + PD charging + video output, the computer connects directly to the Type-C port, transmission speed is the same as the computer interface 4K HD compatible HD video output, suitable for business meetings, home entertainment Secure digital/TF card reader supports up to 2T 3.5mm Headphone/Mic 2-in-1 Interface: Support audio cable control, more convenient to listen to songs Tight Fit: Double-headed one-to-one tight fit, leaving no gaps, firm and not loose Stable performance and fast heat dissipation: ABS + Plexiglas material Specifications: USB-A 3.0: Can be used to connect USB mobile devices at 5Gbps HD compatible interface: 4K (3840*2160) 30HZ video transmission Type-C: can be used for charging (PD60W/100W), 10Gbps transmission Audio microphone: adaptive microphone, audio Secure digital/TF card slot: support simultaneous reading of dual cards, up to 2TB Product Size: Approx. 108 x 32 x 10.5mm/4.25 x 1.26 x 0.41 inches Note: Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.? Due to manual measurement, please allow a 1-2cm measurement deviation. Thanks for your understanding.