HEADPHONES ON, NOISE OFF: Significant ANC technology effectively quells airplane cabin noise, city traffic or hubbub in a busy office, helps you focus on what you want to hear, enjoy your music, movies and videos. The noise cancellation function can work well both in wire and wireless mode. NATURAL HD SOUND: High precision-engineered 40mm stereo drivers combined with advanced Bluetooth CSR chipset deliver powerful and steady audio. Otium Active Noise Cancelling around-ear headphones give a powerful and crisp sound, making your overall listening experience much better. OVAL EARMUFFS ERGONOMIC DESIGN: 90° swiveling ear cups & extendable arm & adjustable foldable headband not only designed for saving your desk space but for helping the headphones fit snugly to your head, professional Protein Earpads lengthen the wearing time with comfort. An ideal music companion for traveling.

✔ As featured in the Wall St. Journal, these are the popular wireless headphones that were repeatedly sold out on Amazon. We will be back in stock Feb 24! ✔ DESIGNED IN CALIFORNIA, FULL ONE YEAR WARRANTY: We're a rapidly growing company in California, and we provide superior US-based support and a full warranty on our products. If there's any issue with the product, we'll either remedy it or replace it-- we want you to have an outstanding customer experience. ✔ APPLE iPHONE, ANDROID, and TV COMPATIBLE: Connect to any Bluetooth device or phone (iPhone 6, iPhone 7 plus, Samsung, etc.), tablet, PC, television, Apple Watch. Soft in ear silicone earbuds include 3 different size earbuds to enhance in-ear comfort and sound quality. Volume controls directly on headset for volume adjustment, song skip pause and play, and answering phone calls-- all from headset.