-Small, light, effective noise-cancellation -good audio quality.. when they work Very solid for commuting on a bus or train, noise-cancelling is surprisingly good, or theoretically a plane trip- except for the 90 minute terrible battery life.

-frequent audio dropouts on right earbud -poor audio codecs, terrible lag -awful battery life #1. The headphones last *90 minutes* on a charge. #2. The right earphone is obviously the secondary receiver and the left-side is the primary headphone; many users online remark how even *walking* or *turning your head* can cause the right side to stutter and dropout. #3. USELESS for PC audio. The codecs lag by seconds when connected to a computer so forget playing games or watching a movie.

These earbuds were clearly released for PR purposes to grab the "First Wireless Noise-cancelling Headphones" press and while technically they do that, they still are not a proper consumer product. Buy the neckband WI-1000x with 11-hour battery or over-ear model headphones instead.