The original Nuraphone Kickstarter video. During the development Bluetooth wireless capability was added, in addition to the array of cable options (USB, lightning, 3.5mm jack).
Surprisingly, after launch all Nuraphones were updated to G2 for free, adding active noise cancellation amongst other cool features.
Simply the most amazing headphones I’ve ever used. They are not cheap, but you can get a 20% discount simply by using this referral link https://friend.nuraphone.com/vwp9bmw2hd