The UGREEN CM136 is a 4-port USB-C hub designed to expand a compatible USB-C host connection with four USB 3.0 ports. It provides a practical way to conne multiple USB peripherals through a single USB-C interface. This 50979 configuration includes a Micro USB auxiliary power input and does not include a USB-C Power Delivery input, making it important to distinguish it from other CM136 variants with different power configurations. Key Features USB-C host connection Four USB 3.0 ports for peripheral expansion 4-port hub design for multiple USB devices Micro USB auxiliary power input No USB-C Power Delivery input on this configuration Technical Specifications Component Specification UGREEN Model CM Produ Type 4-Port USB-C Hub Host Interface USB-C USB Ports 4 × USB 3.0 Auxiliary Power Input Micro USB USB-C PD Input Not Included on 50979 Configuration Compatibility & Important Information This listing is specifically for the CM136 / 50979 configuration with four USB 3.0 ports and Micro USB auxiliary power. It does not use a USB-C Power Delivery input, so specifications from other CM136 versions with PD support should not be applied to this model. Please to review A: The model is UGREEN CM136. Q: How many USB ports does the hub provide? A: It provides four USB 3.0 ports. Q: What connector does the hub use for the host device? A: The hub connects to the host device through USB-C. Q: Does the UGREEN 50979 have an auxiliary power input? A: Yes. This configuration uses a Micro USB auxiliary power input. Q: Does the 50979 support USB-C Power Delivery input? A: No. The 50979 configuration is specifically identified as the version without USB-C PD power input.