1. Connect to PD charging cable, 120W fast full charge for mobile phone, smooth transfer, fast charging, safe and stable 2. Transmission rate 10Gbps file and picture transfer in seconds, data transmission 10Gbps easily transfer large files in seconds, no need to wait 3. Computer connected to hard disk, high-speed transmission, file transfer in seconds, USB computer expansion Type-C port connected to hard disk 10Gbps high-speed transmission large files easy to copy 4. Support Type-C interface headphones support listening to music and microphone function 5. Comes with a keychain to carry around, small and portable Color: blue/yellow/black/transparent Material: PC Interface: Type-C to USB-A Transmission rate: 10Gbps Function: charging/transmission/listening to music Single weight: about 10g