Forget the tinny speakers of a smartphone. The true devotee carries a portable DAC (like a Cayin RU6 or AudioQuest DragonFly) paired with planar magnetic IEMs (In-Ear Monitors). Why? Because the bass note of a Chenda or the soft sigh of Mohanlal in Vanaprastham requires dynamic range that Bluetooth earbuds crush.

"Carry less, see more. Let every window be a screen. Let every silence be the soundtrack."

If you are specifically looking for a "portable" way to watch, using the mobile apps for YouTube or DailyMotion on your smartphone or tablet is the most reliable method for viewing on the go.