Hold my Bose, we can do premium: Sennheiser chucks pricey wireless cans at travellers

PXC 500-II comes for Sony and co's expensive audio breakfasts armed with... oh no, a microUSB

Review In airports and train stations, it's not unusual to encounter weary corporate warriors sporting headphones that cost upwards of 300. This premium segment of the audio market is largely dominated by two players: Bose's QuietComfort II cans, and the Sony WH-1000XM3. Could their time at the top be coming to an end?"