Compatible with a wall charger, docking station, power bank, car charger with USB-A port. PD (Power Delivery) Devices Works with only one side. PD devices include: iPad Pro, MacBook/MacBook Air/MacBook Pro with USB-C ports. [Additional USB C Port to your device] You can now charge a smartphone/tablet with your laptop or sync data between your smartphone/tablet and laptop. [Sync Data between USB-C Device and Laptop] Compatible with a flash drive, hard drive and card reader with USB-C plug. You will be able to sync data between these devices and your laptop with a USB-A port. [SPECIFICATIONS]: Package set : 2 Pieces Material : Aluminum Alloy Housing + ABS + Metal Color : Silver Supported Socket : Supports USB 2.0/3.0 | Supports USB PD (Power Delivery) Fast Charging Connector type : USB Type-C 3.1 Female to USB-A 2.0 Male Input Voltage : DC 5V 3A Output : 80W Max (Depending on the Type-C Cable and device socket) Product size (L x W x H): 13mm x 15mm x 7mm Product weight : 3g