This Thunderbolt 3 dock not only charges and powers your MacBook Pro up to 85W with a single Thunderbolt 3 cable, It also gives you the ability to connect and power multiple devices and peripherals through the dock to your MacBook Pro, including hard drives, monitors, speakers, headphones, Internet and more. Daisy-chain up to 5 additional Thunderbolt devices through a single port.The Belkin difference: Pioneer in technology and innovation for over 35 yearsDesigned and optimized for MacBook Pro 2016/17 running OS X Sierra or later. Includes 2018 version as wellCharge and power your MacBook Pro with a single Thunderbolt 3 cable up to 85W (Thunderbolt 3 cable included)Connect and power multiple devices through the dock to your MacBook Pro, including hard drives, monitors, speakers, headphones, internet and moreDaisy-chain up to 5 additional Thunderbolt devices through a single Thunderbolt port; ideal for multimedia professionals40 Gaps data speed transfer rate/ 85W power delivery/ Dual 4K 60Hz display support or single 5K 60Hz displayTech Specs: two Thunderbolt 3 (USB-C) ports, three USB-A 3.0 Ports (1.5 a charging Each), one Display port, one Audio in/out port, one Audio out port, 1 GB Ethernet port