MacVoices #26236: Briefing - Buying A Travel Monitor Portable travel monitors can transform productivity on the road by adding valuable screen space without much cost or bulk. Chuck’s Briefing compares 1080p and 4K options, discusses USB-C and HDMI connections, and power and battery considerations. Built-in audio, protective covers and stands, and why these minimalist monitors might not be just for travel are all part of why an inexpensive second display can make working with multiple apps far easier.