【240W Short USB C Extension Cable】the USB C Extension Cable has a built-in smart electronic chip that supports the needs of devices from 5V/3A to 48V/5A (up to 240W). Also this thunderbolt 4 cable can support OTG synchronous input and output bidirectional charging of equipment. 【40Gbps Data Transfer & 8K High-definition video】the usb c short cable can support multi-tasking, data transmission up to 40Gbps and 4K@60Hz or even 8K video output. It can connect with docking station/USB hub multi-port adapter, and also can transmit high-quality and high-speed data through ThunderBolt 3 or 4 cable. 【Durable FPC Cable & Easy to carry】TPE outer design ensures maximum strength and elasticity,avoiding tangles and breakage. A length of 5inch helps you stay away from ugly clutter. Lightweight, small size.