2-person sharing splitter: Share music from your iPod, iPhone or iPad with two jacks for your headphones and a friend’s
On-cord music/call controls and mic: Adjust volume, pause, answer/end calls without touching your smartphone or tablet. (Functionality may vary on non-Apple devices.)
Connectivity technology: wired
The Ultimate Ears 4000 Headphones are the first headphones worthy of the UE name. These powerful headphones deliver pure, undiluted audio that€s rich, clear, and perfectly tuned for music that€s alive with depth, authenticity and emotion.