iFi Hip DAC 3
Great sound, audio features and battery life
The Hip DAC 3 is designed to work with a wide variety of wired headphones and earbuds.
$199 From
https://ifi-audio.com
Features Portable, rechargeable DAC/amp, 3.5mm/4.4mm connectors, up to 12 hours battery (max)
THE BOTTOM LINE
There are cheaper alternatives, but the Hip DAC 3 is a great audio accessory for audiophiles.