Do I need headphones? May 02, 2024 17:55 Updated It is equally effective with or without headphones. Headphones/EarPods/earphones will just improve the experience. Related articles What is Your Email Address or Contact Number? Will it still work if I fall asleep? Can it help for Parkinson's Disease? Can I use it on my external speakers (e.g. Sonos)? On what volume level should I listen to?