【USB C Male to Dual USB C Female Cable】This USB C to dual USB C female cable provides two USB-C ports so you can easily connect USB-C peripherals to your new USB-C enabled devices. The USB C splitter allows you to listen to music with headphones and fast charge at the same time. 【PLEASE NOTE THE LIMITATION】The C splitter does NOT work for monitors, it may not support QC for some new phones. We recommend using a PD wall charger to get a faster charging speed. NOT for monitor display, does NOT work with HDMI cable, Apple Watch. This is a USB-C female to USB C male adapter designed for data transfer and it will NOT support video signal transmission. 【PD 60W Fast Charging】 The USB C splitter supports up to 60W PD charging, constructed with a double-braided exterior and aluminum alloy housing to ensure it doesn't wear out over time. NOTE: Our USB C adapter supports PD fast charging, but Samsung is QC fast charging protocol, so it cannot support Samsung's fast charging 【USB C Splitter】With this Type C splitter, you can connect USB C headphones, USB-C mouse, USB-C keyboard, USB-C flash disk, USB-C card reader, etc. to your USB C device. You can also connect the USB-C hard drive (needs to connect the external power), does NOT support monitor display, does not work for Moto Z