Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Double USB -Type-C To 4K HDMI 2 USB 3.0 SD/TF Card Reader 2 Type c 7 In 2 Hub Adapter product description The type c supports PD charging, and the 20V load power can 100W. The USB 3.0 supports data transfer at speeds up to 5Gbps and low current charging. Plug and play, no software, drivers or complicated installation process. and card jack: Data transmission, memory card capacity supports 128GB and below. HDMI jack: support 4K, 2K, 1080P, 30Hz The is made of high-grade aluminum- alloy. Scratch-proof. No discoloration. Better heat dissipation and long life. Product parameters Transmission rate: TYPE-C to USB3.1 theoretical speed 10Gbps, backward USB3.0/USB2.0/USB1.1 Power output: Voltage: 5V-20V Current 3A-5A Power: 15W-100W Products include 1 x adapter product description The type c supports PD charging, and the 20V load power can 100W. The USB 3.0 supports data transfer at speeds up to 5Gbps and low current charging. Plug and play, no software, drivers or complicated installation process. and card jack: Data transmission, memory card capacity supports 128GB and below.