Charging While Playing in 90HZ Mode - All Day Playtime:Domjia new release the link cable with separate charging port is able to provide stronger output while playing to provide you all day playtime. While other traditional link cables for Oculus including the official verse only support limited output when connected to the computer USB port to play games, thus the battery drains when connected to PC to play games Safe Charging Exclusive smart chips are adopted to intelligently control the current input within a reasonable range to ensure the safe use of electricity and battery life. The smart chip balances the current and makes the battery always at 75% appr. when you play PCVR games No latency and delay USB 3.0 port and charging port are separately working for data transmission and current input. Thus the performance for Oculus Quest 2 games will not be affected when you charge, which transfer rate can reach 5Gbps