Promising video, but let down mainly by the length and repetitiveness. By about halfway through you'd told us everything you were going to tell us - everything from thereon in was a repeat of the same information.
The background was a bit distracting and I'd have preferred to see you sitting off centre in a wide shot at a desk/table maybe with the headphones/packaging on display on the other side, then switch between that shot and close-ups. The ECUs f the headphones were useful but not quite as crisp as theu might have been. This may be a limitation of your camera.