External Power bank
Pilot One EE built-in 3400mAh battery can carry up to 1.5-2 hours live streaming, and you can also connect an external power bank to achieve longer live streaming. a 20000mah power bank can make the live streaming up to 8 hours, 10000mah for 4 hours. You need to ensure the power bank is comply with two-way fast charging pd protocol along with type-c port.
For live streaming through ethernet, a hub is required.
I attached the photos of a hub for your reference. The brand is Ugreen.